diff --git a/pkg/analysis_server/test/abstract_context.dart b/pkg/analysis_server/test/abstract_context.dart
index bae688b242f..ffe2fece672 100644
--- a/pkg/analysis_server/test/abstract_context.dart
+++ b/pkg/analysis_server/test/abstract_context.dart
@@ -19,8 +19,8 @@ import 'package:analyzer/src/test_utilities/platform.dart';
 import 'package:analyzer/src/test_utilities/resource_provider_mixin.dart';
 import 'package:analyzer/src/util/file_paths.dart' as file_paths;
 import 'package:analyzer/src/utilities/extensions/file_system.dart';
+import 'package:analyzer_testing/mock_packages/mock_packages.dart';
 import 'package:analyzer_utilities/test/experiments/experiments.dart';
-import 'package:analyzer_utilities/test/mock_packages/mock_packages.dart';
 import 'package:linter/src/rules.dart';
 import 'package:meta/meta.dart';
 import 'package:test/test.dart';
diff --git a/pkg/analysis_server/test/analysis_server_base.dart b/pkg/analysis_server/test/analysis_server_base.dart
index c25d4d8e583..a3f1b78a620 100644
--- a/pkg/analysis_server/test/analysis_server_base.dart
+++ b/pkg/analysis_server/test/analysis_server_base.dart
@@ -19,8 +19,8 @@ import 'package:analyzer/src/test_utilities/mock_sdk.dart';
 import 'package:analyzer/src/test_utilities/resource_provider_mixin.dart';
 import 'package:analyzer/src/test_utilities/test_code_format.dart';
 import 'package:analyzer/src/util/file_paths.dart' as file_paths;
+import 'package:analyzer_testing/mock_packages/mock_packages.dart';
 import 'package:analyzer_utilities/test/experiments/experiments.dart';
-import 'package:analyzer_utilities/test/mock_packages/mock_packages.dart';
 import 'package:analyzer_utilities/testing/test_support.dart';
 import 'package:meta/meta.dart';
 import 'package:test/test.dart';
diff --git a/pkg/analysis_server/test/integration/support/integration_tests.dart b/pkg/analysis_server/test/integration/support/integration_tests.dart
index a9d1311299f..b0fb602e048 100644
--- a/pkg/analysis_server/test/integration/support/integration_tests.dart
+++ b/pkg/analysis_server/test/integration/support/integration_tests.dart
@@ -13,7 +13,7 @@ import 'package:analysis_server/src/services/pub/pub_command.dart';
 import 'package:analyzer/file_system/physical_file_system.dart';
 import 'package:analyzer/src/util/file_paths.dart' as file_paths;
 import 'package:analyzer_plugin/protocol/protocol_common.dart';
-import 'package:analyzer_utilities/test/mock_packages/mock_packages.dart';
+import 'package:analyzer_testing/mock_packages/mock_packages.dart';
 import 'package:analyzer_utilities/testing/test_support.dart';
 import 'package:meta/meta.dart';
 import 'package:path/path.dart' as path;
diff --git a/pkg/analysis_server/test/lsp/server_abstract.dart b/pkg/analysis_server/test/lsp/server_abstract.dart
index d4f13666893..274bc136211 100644
--- a/pkg/analysis_server/test/lsp/server_abstract.dart
+++ b/pkg/analysis_server/test/lsp/server_abstract.dart
@@ -23,8 +23,8 @@ import 'package:analyzer/src/util/file_paths.dart' as file_paths;
 import 'package:analyzer_plugin/protocol/protocol.dart' as plugin;
 import 'package:analyzer_plugin/src/protocol/protocol_internal.dart' as plugin;
 import 'package:analyzer_plugin/src/utilities/client_uri_converter.dart';
+import 'package:analyzer_testing/mock_packages/mock_packages.dart';
 import 'package:analyzer_utilities/test/experiments/experiments.dart';
-import 'package:analyzer_utilities/test/mock_packages/mock_packages.dart';
 import 'package:collection/collection.dart';
 import 'package:language_server_protocol/json_parsing.dart';
 import 'package:meta/meta.dart';
diff --git a/pkg/analysis_server/test/src/cider/assists_test.dart b/pkg/analysis_server/test/src/cider/assists_test.dart
index 8e4287fb535..7826bf9f83c 100644
--- a/pkg/analysis_server/test/src/cider/assists_test.dart
+++ b/pkg/analysis_server/test/src/cider/assists_test.dart
@@ -10,7 +10,7 @@ import 'package:analyzer/source/line_info.dart';
 import 'package:analyzer/src/test_utilities/test_code_format.dart';
 import 'package:analyzer_plugin/protocol/protocol_common.dart' show SourceEdit;
 import 'package:analyzer_plugin/utilities/assist/assist.dart';
-import 'package:analyzer_utilities/test/mock_packages/mock_packages.dart';
+import 'package:analyzer_testing/mock_packages/mock_packages.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
diff --git a/pkg/analysis_server/test/src/cider/document_symbols_test.dart b/pkg/analysis_server/test/src/cider/document_symbols_test.dart
index 43a2599716a..08225791d2d 100644
--- a/pkg/analysis_server/test/src/cider/document_symbols_test.dart
+++ b/pkg/analysis_server/test/src/cider/document_symbols_test.dart
@@ -4,7 +4,7 @@
 
 import 'package:analysis_server/lsp_protocol/protocol.dart';
 import 'package:analysis_server/src/cider/document_symbols.dart';
-import 'package:analyzer_utilities/test/mock_packages/mock_packages.dart';
+import 'package:analyzer_testing/mock_packages/mock_packages.dart';
 import 'package:test/expect.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
diff --git a/pkg/analysis_server/test/src/cider/rename_test.dart b/pkg/analysis_server/test/src/cider/rename_test.dart
index 7e3c7d957f0..d31cb5269cb 100644
--- a/pkg/analysis_server/test/src/cider/rename_test.dart
+++ b/pkg/analysis_server/test/src/cider/rename_test.dart
@@ -6,7 +6,7 @@ import 'package:analysis_server/src/cider/rename.dart';
 import 'package:analyzer/source/line_info.dart';
 import 'package:analyzer/src/test_utilities/test_code_format.dart';
 import 'package:analyzer_plugin/protocol/protocol_common.dart';
-import 'package:analyzer_utilities/test/mock_packages/mock_packages.dart';
+import 'package:analyzer_testing/mock_packages/mock_packages.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
diff --git a/pkg/analysis_server/test/support/configuration_files.dart b/pkg/analysis_server/test/support/configuration_files.dart
index b2ae8f6623b..d844501717d 100644
--- a/pkg/analysis_server/test/support/configuration_files.dart
+++ b/pkg/analysis_server/test/support/configuration_files.dart
@@ -8,8 +8,8 @@ import 'package:analyzer/src/dart/analysis/experiments.dart';
 import 'package:analyzer/src/test_utilities/package_config_file_builder.dart';
 import 'package:analyzer/src/test_utilities/resource_provider_mixin.dart';
 import 'package:analyzer/src/util/file_paths.dart' as file_paths;
+import 'package:analyzer_testing/mock_packages/mock_packages.dart';
 import 'package:analyzer_testing/package_root.dart' as package_root;
-import 'package:analyzer_utilities/test/mock_packages/mock_packages.dart';
 
 /// A mixin adding functionality to write `.dart_tool/package_config.json`
 /// files along with mock packages to a [ResourceProvider].
diff --git a/pkg/analysis_server/test/verify_sorted_test.dart b/pkg/analysis_server/test/verify_sorted_test.dart
index 4b949252590..1172310863e 100644
--- a/pkg/analysis_server/test/verify_sorted_test.dart
+++ b/pkg/analysis_server/test/verify_sorted_test.dart
@@ -76,7 +76,6 @@ void buildTests({
 
 void buildTestsForAnalysisServer() {
   var excludedPaths = <String>[
-    'test/mock_packages',
     // TODO(brianwilkerson): Fix the generator to sort the generated files and
     //  remove these exclusions.
     'lib/protocol/protocol_constants.dart',
diff --git a/pkg/analyzer/test/src/dart/resolution/context_collection_resolution.dart b/pkg/analyzer/test/src/dart/resolution/context_collection_resolution.dart
index 769cfd74cf0..d9f000155d7 100644
--- a/pkg/analyzer/test/src/dart/resolution/context_collection_resolution.dart
+++ b/pkg/analyzer/test/src/dart/resolution/context_collection_resolution.dart
@@ -23,8 +23,8 @@ import 'package:analyzer/src/workspace/basic.dart';
 import 'package:analyzer/src/workspace/blaze.dart';
 import 'package:analyzer/src/workspace/gn.dart';
 import 'package:analyzer/src/workspace/pub.dart';
+import 'package:analyzer_testing/mock_packages/mock_packages.dart';
 import 'package:analyzer_utilities/test/experiments/experiments.dart';
-import 'package:analyzer_utilities/test/mock_packages/mock_packages.dart';
 import 'package:analyzer_utilities/testing/test_support.dart';
 import 'package:analyzer_utilities/testing/tree_string_sink.dart';
 import 'package:linter/src/rules.dart';
diff --git a/pkg/analyzer/test/src/diagnostics/invalid_export_of_internal_element_test.dart b/pkg/analyzer/test/src/diagnostics/invalid_export_of_internal_element_test.dart
index 55ece982d51..30dfce9f7e8 100644
--- a/pkg/analyzer/test/src/diagnostics/invalid_export_of_internal_element_test.dart
+++ b/pkg/analyzer/test/src/diagnostics/invalid_export_of_internal_element_test.dart
@@ -3,7 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:analyzer/src/error/codes.dart';
-import 'package:analyzer_utilities/test/mock_packages/mock_packages.dart';
+import 'package:analyzer_testing/mock_packages/mock_packages.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../dart/resolution/context_collection_resolution.dart';
diff --git a/pkg/analyzer_plugin/test/support/abstract_context.dart b/pkg/analyzer_plugin/test/support/abstract_context.dart
index f3afc2a8ab7..e3d8c46382f 100644
--- a/pkg/analyzer_plugin/test/support/abstract_context.dart
+++ b/pkg/analyzer_plugin/test/support/abstract_context.dart
@@ -13,8 +13,8 @@ import 'package:analyzer/src/generated/engine.dart' show AnalysisEngine;
 import 'package:analyzer/src/test_utilities/mock_sdk.dart';
 import 'package:analyzer/src/test_utilities/package_config_file_builder.dart';
 import 'package:analyzer/src/test_utilities/resource_provider_mixin.dart';
+import 'package:analyzer_testing/mock_packages/mock_packages.dart';
 import 'package:analyzer_utilities/test/experiments/experiments.dart';
-import 'package:analyzer_utilities/test/mock_packages/mock_packages.dart';
 import 'package:linter/src/rules.dart';
 import 'package:meta/meta.dart';
 
diff --git a/pkg/analyzer_testing/analysis_options.yaml b/pkg/analyzer_testing/analysis_options.yaml
new file mode 100644
index 00000000000..4b4a45e0ede
--- /dev/null
+++ b/pkg/analyzer_testing/analysis_options.yaml
@@ -0,0 +1,23 @@
+include: package:lints/recommended.yaml
+
+analyzer:
+  exclude:
+    - lib/mock_packages/package_content/**
+  language:
+    strict-casts: true
+    strict-inference: true
+    strict-raw-types: true
+
+linter:
+  rules:
+    - avoid_dynamic_calls
+    - avoid_unused_constructor_parameters
+    - flutter_style_todos
+    - library_annotations
+    - prefer_single_quotes
+    - unawaited_futures
+    - unnecessary_breaks
+    - unnecessary_ignore
+    - unnecessary_library_directive
+    - unnecessary_parenthesis
+    - unreachable_from_main
diff --git a/pkg/analyzer_testing/api.txt b/pkg/analyzer_testing/api.txt
index 3f5445ec3f6..f0f53c678f1 100644
--- a/pkg/analyzer_testing/api.txt
+++ b/pkg/analyzer_testing/api.txt
@@ -1,4 +1,31 @@
+package:analyzer_testing/mock_packages/mock_packages.dart:
+  BlazeMockPackages (class extends Object):
+    instance (static getter: BlazeMockPackages)
+    addFlutter (method: void Function(ResourceProvider))
+    addMeta (method: void Function(ResourceProvider))
+  MockPackagesMixin (mixin on Object):
+    packagesRootPath (getter: String)
+    pathContext (getter: Context)
+    resourceProvider (getter: ResourceProvider)
+    addAngularMeta (method: Folder Function())
+    addFfi (method: Folder Function())
+    addFixnum (method: Folder Function())
+    addFlutter (method: Folder Function())
+    addFlutterTest (method: Folder Function())
+    addJs (method: Folder Function())
+    addKernel (method: Folder Function())
+    addMeta (method: Folder Function())
+    addPedantic (method: Folder Function())
+    addTestReflectiveLoader (method: Folder Function())
+    addUI (method: Folder Function())
+    addVectorMath (method: Folder Function())
 package:analyzer_testing/package_root.dart:
   packageRoot (static getter: String)
 dart:core:
+  Object (referenced)
   String (referenced)
+package:analyzer/file_system/file_system.dart:
+  Folder (referenced)
+  ResourceProvider (referenced)
+package:path/src/context.dart:
+  Context (referenced)
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/mock_packages.dart b/pkg/analyzer_testing/lib/mock_packages/mock_packages.dart
similarity index 99%
rename from pkg/analyzer_utilities/lib/test/mock_packages/mock_packages.dart
rename to pkg/analyzer_testing/lib/mock_packages/mock_packages.dart
index 2c01812b24a..436f5a64064 100644
--- a/pkg/analyzer_utilities/lib/test/mock_packages/mock_packages.dart
+++ b/pkg/analyzer_testing/lib/mock_packages/mock_packages.dart
@@ -15,9 +15,8 @@ void _cacheFiles(Map<String, String> cachedFiles) {
   var packageRoot = pathContext.normalize(package_root.packageRoot);
   var mockPath = pathContext.join(
     packageRoot,
-    'analyzer_utilities',
+    'analyzer_testing',
     'lib',
-    'test',
     'mock_packages',
     'package_content',
   );
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/angular_meta/lib/angular_meta.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/angular_meta/lib/angular_meta.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/angular_meta/lib/angular_meta.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/angular_meta/lib/angular_meta.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/angular_meta/pubspec.yaml b/pkg/analyzer_testing/lib/mock_packages/package_content/angular_meta/pubspec.yaml
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/angular_meta/pubspec.yaml
rename to pkg/analyzer_testing/lib/mock_packages/package_content/angular_meta/pubspec.yaml
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/ffi/lib/ffi.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/ffi/lib/ffi.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/ffi/lib/ffi.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/ffi/lib/ffi.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/ffi/pubspec.yaml b/pkg/analyzer_testing/lib/mock_packages/package_content/ffi/pubspec.yaml
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/ffi/pubspec.yaml
rename to pkg/analyzer_testing/lib/mock_packages/package_content/ffi/pubspec.yaml
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/fixnum/lib/fixnum.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/fixnum/lib/fixnum.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/fixnum/lib/fixnum.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/fixnum/lib/fixnum.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/fixnum/pubspec.yaml b/pkg/analyzer_testing/lib/mock_packages/package_content/fixnum/pubspec.yaml
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/fixnum/pubspec.yaml
rename to pkg/analyzer_testing/lib/mock_packages/package_content/fixnum/pubspec.yaml
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/animation.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/animation.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/animation.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/animation.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/cupertino.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/cupertino.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/cupertino.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/cupertino.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/foundation.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/foundation.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/foundation.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/foundation.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/material.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/material.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/material.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/material.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/painting.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/painting.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/painting.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/painting.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/rendering.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/rendering.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/rendering.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/rendering.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/animation/animation_controller.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/animation/animation_controller.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/animation/animation_controller.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/animation/animation_controller.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/cupertino/colors.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/cupertino/colors.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/cupertino/colors.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/cupertino/colors.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/foundation/assertions.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/foundation/assertions.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/foundation/assertions.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/foundation/assertions.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/foundation/constants.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/foundation/constants.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/foundation/constants.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/foundation/constants.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/foundation/diagnostics.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/foundation/diagnostics.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/foundation/diagnostics.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/foundation/diagnostics.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/foundation/key.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/foundation/key.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/foundation/key.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/foundation/key.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/foundation/print.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/foundation/print.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/foundation/print.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/foundation/print.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/material/app_bar.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/material/app_bar.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/material/app_bar.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/material/app_bar.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/material/colors.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/material/colors.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/material/colors.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/material/colors.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/material/icons.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/material/icons.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/material/icons.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/material/icons.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/material/ink_well.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/material/ink_well.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/material/ink_well.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/material/ink_well.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/material/scaffold.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/material/scaffold.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/material/scaffold.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/material/scaffold.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/alignment.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/alignment.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/alignment.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/alignment.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/basic_types.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/basic_types.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/basic_types.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/basic_types.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/border_radius.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/border_radius.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/border_radius.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/border_radius.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/borders.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/borders.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/borders.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/borders.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/box_border.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/box_border.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/box_border.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/box_border.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/box_decoration.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/box_decoration.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/box_decoration.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/box_decoration.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/colors.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/colors.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/colors.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/colors.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/decoration.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/decoration.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/decoration.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/decoration.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/edge_insets.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/edge_insets.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/edge_insets.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/edge_insets.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/text_painter.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/text_painter.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/text_painter.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/text_painter.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/text_style.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/text_style.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/painting/text_style.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/painting/text_style.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/rendering/flex.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/rendering/flex.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/rendering/flex.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/rendering/flex.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/rendering/paragraph.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/rendering/paragraph.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/rendering/paragraph.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/rendering/paragraph.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widget_previews/widget_previews.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widget_previews/widget_previews.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widget_previews/widget_previews.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widget_previews/widget_previews.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/async.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/async.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/async.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/async.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/basic.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/basic.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/basic.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/basic.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/container.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/container.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/container.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/container.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/framework.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/framework.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/framework.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/framework.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/gesture_detector.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/gesture_detector.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/gesture_detector.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/gesture_detector.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/icon.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/icon.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/icon.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/icon.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/navigator.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/navigator.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/navigator.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/navigator.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/placeholder.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/placeholder.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/placeholder.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/placeholder.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/text.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/text.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/text.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/text.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/ticker_provider.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/ticker_provider.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/ticker_provider.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/ticker_provider.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/value_listenable_builder.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/value_listenable_builder.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/value_listenable_builder.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/value_listenable_builder.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/widget_inspector.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/widget_inspector.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/src/widgets/widget_inspector.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/src/widgets/widget_inspector.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/widget_previews.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/widget_previews.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/widget_previews.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/widget_previews.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/widgets.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/widgets.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/lib/widgets.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/lib/widgets.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/pubspec.yaml b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter/pubspec.yaml
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter/pubspec.yaml
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter/pubspec.yaml
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter_test/lib/flutter_test.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter_test/lib/flutter_test.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter_test/lib/flutter_test.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter_test/lib/flutter_test.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter_test/pubspec.yaml b/pkg/analyzer_testing/lib/mock_packages/package_content/flutter_test/pubspec.yaml
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/flutter_test/pubspec.yaml
rename to pkg/analyzer_testing/lib/mock_packages/package_content/flutter_test/pubspec.yaml
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/js/lib/js.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/js/lib/js.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/js/lib/js.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/js/lib/js.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/js/lib/pubspec.yaml b/pkg/analyzer_testing/lib/mock_packages/package_content/js/lib/pubspec.yaml
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/js/lib/pubspec.yaml
rename to pkg/analyzer_testing/lib/mock_packages/package_content/js/lib/pubspec.yaml
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/kernel/lib/ast.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/kernel/lib/ast.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/kernel/lib/ast.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/kernel/lib/ast.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/kernel/pubspec.yaml b/pkg/analyzer_testing/lib/mock_packages/package_content/kernel/pubspec.yaml
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/kernel/pubspec.yaml
rename to pkg/analyzer_testing/lib/mock_packages/package_content/kernel/pubspec.yaml
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/meta/lib/meta.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/meta/lib/meta.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/meta/lib/meta.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/meta/lib/meta.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/meta/lib/meta_meta.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/meta/lib/meta_meta.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/meta/lib/meta_meta.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/meta/lib/meta_meta.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/meta/pubspec.yaml b/pkg/analyzer_testing/lib/mock_packages/package_content/meta/pubspec.yaml
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/meta/pubspec.yaml
rename to pkg/analyzer_testing/lib/mock_packages/package_content/meta/pubspec.yaml
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/pedantic/lib/analysis_options.yaml b/pkg/analyzer_testing/lib/mock_packages/package_content/pedantic/lib/analysis_options.yaml
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/pedantic/lib/analysis_options.yaml
rename to pkg/analyzer_testing/lib/mock_packages/package_content/pedantic/lib/analysis_options.yaml
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/test_reflective_loader/lib/test_reflective_loader.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/test_reflective_loader/lib/test_reflective_loader.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/test_reflective_loader/lib/test_reflective_loader.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/test_reflective_loader/lib/test_reflective_loader.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/test_reflective_loader/pubspec.yaml b/pkg/analyzer_testing/lib/mock_packages/package_content/test_reflective_loader/pubspec.yaml
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/test_reflective_loader/pubspec.yaml
rename to pkg/analyzer_testing/lib/mock_packages/package_content/test_reflective_loader/pubspec.yaml
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/ui/lib/geometry.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/ui/lib/geometry.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/ui/lib/geometry.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/ui/lib/geometry.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/ui/lib/painting.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/ui/lib/painting.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/ui/lib/painting.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/ui/lib/painting.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/ui/lib/text.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/ui/lib/text.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/ui/lib/text.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/ui/lib/text.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/ui/lib/ui.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/ui/lib/ui.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/ui/lib/ui.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/ui/lib/ui.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/vector_math/lib/matrix4.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/vector_math/lib/matrix4.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/vector_math/lib/matrix4.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/vector_math/lib/matrix4.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/vector_math/lib/vector_math_64.dart b/pkg/analyzer_testing/lib/mock_packages/package_content/vector_math/lib/vector_math_64.dart
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/vector_math/lib/vector_math_64.dart
rename to pkg/analyzer_testing/lib/mock_packages/package_content/vector_math/lib/vector_math_64.dart
diff --git a/pkg/analyzer_utilities/lib/test/mock_packages/package_content/vector_math/pubspec.yaml b/pkg/analyzer_testing/lib/mock_packages/package_content/vector_math/pubspec.yaml
similarity index 100%
rename from pkg/analyzer_utilities/lib/test/mock_packages/package_content/vector_math/pubspec.yaml
rename to pkg/analyzer_testing/lib/mock_packages/package_content/vector_math/pubspec.yaml
diff --git a/pkg/analyzer_testing/pubspec.yaml b/pkg/analyzer_testing/pubspec.yaml
index fac1f0a8d07..77a3e70bfb7 100644
--- a/pkg/analyzer_testing/pubspec.yaml
+++ b/pkg/analyzer_testing/pubspec.yaml
@@ -6,6 +6,7 @@ environment:
 resolution: workspace
 
 dependencies:
+  analyzer: ^8.0.0-dev
   path: ^1.9.0
 
 # We use 'any' version constraints here as we get our package versions from
diff --git a/pkg/analyzer_utilities/analysis_options.yaml b/pkg/analyzer_utilities/analysis_options.yaml
index 261c001dfd8..5b8721d0cf1 100644
--- a/pkg/analyzer_utilities/analysis_options.yaml
+++ b/pkg/analyzer_utilities/analysis_options.yaml
@@ -1,8 +1,6 @@
 include: package:lints/recommended.yaml
 
 analyzer:
-  exclude:
-    - lib/test/mock_packages/package_content/**
   language:
     strict-casts: true
     strict-inference: true
diff --git a/pkg/analyzer_utilities/pubspec.yaml b/pkg/analyzer_utilities/pubspec.yaml
index b20868acdd1..35dde48fdcc 100644
--- a/pkg/analyzer_utilities/pubspec.yaml
+++ b/pkg/analyzer_utilities/pubspec.yaml
@@ -9,7 +9,6 @@ resolution: workspace
 
 # Use 'any' constraints here; we get our versions from the DEPS file.
 dependencies:
-  analyzer_testing: any
   analyzer: any
   collection: any
   dart_style: any
diff --git a/pkg/linter/pubspec.yaml b/pkg/linter/pubspec.yaml
index 37560cff8a5..058a2f1bcaa 100644
--- a/pkg/linter/pubspec.yaml
+++ b/pkg/linter/pubspec.yaml
@@ -23,6 +23,7 @@ dependencies:
 
 # Use 'any' constraints here; we get our versions from the DEPS file.
 dev_dependencies:
+  analyzer_testing: any
   analyzer_utilities: any
   args: any
   cli_util: any
diff --git a/pkg/linter/test/rule_test_support.dart b/pkg/linter/test/rule_test_support.dart
index 917f3cb3480..6b4da5afb9e 100644
--- a/pkg/linter/test/rule_test_support.dart
+++ b/pkg/linter/test/rule_test_support.dart
@@ -21,8 +21,8 @@ import 'package:analyzer/src/lint/util.dart';
 import 'package:analyzer/src/test_utilities/mock_sdk.dart';
 import 'package:analyzer/src/test_utilities/package_config_file_builder.dart';
 import 'package:analyzer/src/test_utilities/resource_provider_mixin.dart';
+import 'package:analyzer_testing/mock_packages/mock_packages.dart';
 import 'package:analyzer_utilities/test/experiments/experiments.dart';
-import 'package:analyzer_utilities/test/mock_packages/mock_packages.dart';
 import 'package:analyzer_utilities/testing/test_support.dart';
 import 'package:collection/collection.dart';
 import 'package:linter/src/analyzer.dart';
diff --git a/tools/package_deps/bin/package_deps.dart b/tools/package_deps/bin/package_deps.dart
index c28bde54e17..f3876492209 100644
--- a/tools/package_deps/bin/package_deps.dart
+++ b/tools/package_deps/bin/package_deps.dart
@@ -335,7 +335,7 @@ class Package implements Comparable<Package> {
         final uriPath = entity.uri.path;
         const excludedPaths = {
           'pkg/analyzer_cli/test/data/',
-          'pkg/analyzer_utilities/lib/test/mock_packages/package_content/',
+          'pkg/analyzer_testing/lib/mock_packages/package_content/',
           'pkg/front_end/test/id_testing/data/',
           'pkg/front_end/test/enable_non_nullable/data/',
           'pkg/front_end/test/language_versioning/data/',