diff --git a/tests/corelib_2/corelib_2.status b/tests/corelib_2/corelib_2.status
index cc9dfb92af5..49be466b7ec 100644
--- a/tests/corelib_2/corelib_2.status
+++ b/tests/corelib_2/corelib_2.status
@@ -59,6 +59,8 @@ from_environment_const_type_undefined_test/12: MissingCompileTimeError
 from_environment_const_type_undefined_test/13: MissingCompileTimeError
 from_environment_const_type_undefined_test/14: MissingCompileTimeError
 from_environment_const_type_undefined_test/16: MissingCompileTimeError
+int_modulo_arith_test/modPow: RuntimeError
+int_modulo_arith_test/none: RuntimeError
 int_parse_radix_bad_handler_test: MissingCompileTimeError
 map_test: Crash # crash in front_end.
 string_from_environment3_test/01: MissingCompileTimeError
@@ -435,8 +437,6 @@ bigint_test: Pass, Timeout # Please triage.
 apply3_test: CompileTimeError # Issue 31402 (Invocation arguments)
 bool_from_environment2_test/03: MissingCompileTimeError
 compare_to2_test: RuntimeError
-int_modulo_arith_test/modPow: CompileTimeError # Issue 31402 (Assert statement)
-int_modulo_arith_test/none: CompileTimeError # Issue 31402 (Assert statement)
 iterable_empty_test: RuntimeError
 iterable_fold_test/02: RuntimeError
 iterable_reduce_test/01: CompileTimeError # Issue 31533
@@ -468,8 +468,6 @@ unicode_test: RuntimeError
 [ $compiler == dartkp && $runtime == dart_precompiled && $strong ]
 bool_from_environment2_test/03: MissingCompileTimeError
 compare_to2_test: RuntimeError
-int_modulo_arith_test/modPow: CompileTimeError # Issue 31402 (Assert statement)
-int_modulo_arith_test/none: CompileTimeError # Issue 31402 (Assert statement)
 iterable_empty_test: RuntimeError
 iterable_fold_test/02: RuntimeError
 iterable_reduce_test/01: CompileTimeError # Issue 31533
diff --git a/tests/corelib_2/int_modulo_arith_test.dart b/tests/corelib_2/int_modulo_arith_test.dart
index 6923cb7189d..4b347cc1e34 100644
--- a/tests/corelib_2/int_modulo_arith_test.dart
+++ b/tests/corelib_2/int_modulo_arith_test.dart
@@ -25,7 +25,7 @@ testModPow() {
       }
 
       return slowModPow(x, e, m) == expectedResult;
-    });
+    }());
     var result = x.modPow(e, m);
     Expect.equals(expectedResult, result, "$x.modPow($e, $m)");
   }
diff --git a/tests/language_2/assert_message_test.dart b/tests/language_2/assert_message_test.dart
index d2a8b2ea457..5b7debbe773 100644
--- a/tests/language_2/assert_message_test.dart
+++ b/tests/language_2/assert_message_test.dart
@@ -17,7 +17,6 @@ main() {
 
   // Basics.
   assert(true, "");
-  assert(() => true, "");
 
   int x = null;
   // Successful asserts won't execute message.
diff --git a/tests/language_2/assertion_test.dart b/tests/language_2/assertion_test.dart
index 3470f0987bf..bad4bbd8994 100644
--- a/tests/language_2/assertion_test.dart
+++ b/tests/language_2/assertion_test.dart
@@ -31,16 +31,6 @@ unknown(dynamic a) {
   return a ? true : false;
 }
 
-testClosure(bool f()) {
-  int i = 0;
-  try {
-    assert(f);
-  } on AssertionError {
-    i = 1;
-  }
-  return i;
-}
-
 testBoolean(bool value) {
   int i = 0;
   try {
@@ -84,13 +74,10 @@ main() {
   Expect.equals(1, testBoolean(null));
   Expect.equals(1, testDynamic(null));
   Expect.equals(1, testDynamic(42));
-  Expect.equals(1, testClosure(() => true));
   Expect.equals(1, testDynamic(() => true));
-  Expect.equals(1, testClosure(() => false));
   Expect.equals(1, testDynamic(() => false));
   Expect.equals(1, testDynamic(() => 42));
   Expect.equals(1, testDynamic(() => null));
-  Expect.equals(1, testClosure(() => null));
 
   Expect.equals(1234, testMessage(false, 1234).message);
   Expect.equals('hi', testMessage(false, 'hi').message);
diff --git a/tests/language_2/language_2_dart2js.status b/tests/language_2/language_2_dart2js.status
index 3268b3dbcbf..a854a86f725 100644
--- a/tests/language_2/language_2_dart2js.status
+++ b/tests/language_2/language_2_dart2js.status
@@ -786,6 +786,9 @@ regress_30339_test: RuntimeError # Issue 26429
 field_override_optimization_test: RuntimeError
 field_type_check2_test/01: MissingRuntimeError
 
+[ $compiler == dart2js && $runtime == d8 && $dart2js_with_kernel ]
+assertion_test: RuntimeError
+
 [ $compiler == dart2js && $runtime == drt && $checked && !$dart2js_with_kernel ]
 regress_30339_test: RuntimeError # Issue 30393
 
diff --git a/tests/language_2/language_2_dartdevc.status b/tests/language_2/language_2_dartdevc.status
index ca18e3bfba6..d09c5c9c501 100644
--- a/tests/language_2/language_2_dartdevc.status
+++ b/tests/language_2/language_2_dartdevc.status
@@ -132,7 +132,6 @@ additional_interface_adds_optional_args_concrete_subclass_test: MissingCompileTi
 additional_interface_adds_optional_args_concrete_test: MissingCompileTimeError
 additional_interface_adds_optional_args_supercall_test: MissingCompileTimeError
 arithmetic_test: RuntimeError # Issue 31763
-assert_message_test: CompileTimeError
 assertion_initializer_const_error2_test/cc01: MissingCompileTimeError
 assertion_initializer_const_error2_test/cc02: MissingCompileTimeError
 assertion_initializer_const_error2_test/cc03: MissingCompileTimeError
@@ -144,7 +143,6 @@ assertion_initializer_const_error2_test/cc09: MissingCompileTimeError
 assertion_initializer_const_error2_test/cc10: MissingCompileTimeError
 assertion_initializer_const_error2_test/cc11: MissingCompileTimeError
 assertion_initializer_test: CompileTimeError
-assertion_test: CompileTimeError
 async_await_syntax_test/c10a: MissingCompileTimeError
 async_await_syntax_test/d08b: MissingCompileTimeError
 async_await_syntax_test/d10a: MissingCompileTimeError
@@ -685,6 +683,7 @@ void_type_callbacks_test/none: CompileTimeError
 wrong_number_type_arguments_test/01: MissingCompileTimeError
 
 [ $compiler == dartdevc && $runtime != none ]
+assertion_test: RuntimeError # Issue 30326; Expect.equals(expected: <1>, actual: <0>) fails.
 async_star_test/01: RuntimeError
 async_star_test/03: RuntimeError
 async_star_test/04: RuntimeError
@@ -829,7 +828,6 @@ unhandled_exception_negative_test: Fail
 # dartdevc and dartdevk, then expectations for dartdevc, and then expectations
 # for dartdevk.
 [ $runtime != none && ($compiler == dartdevc || $compiler == dartdevk) ]
-assertion_test: RuntimeError # Issue 30326; Expect.equals(expected: <1>, actual: <0>) fails.
 async_star_cancel_while_paused_test: RuntimeError # Issue 29920; Uncaught Expect.listEquals(list length, expected: <4>, actual: <3>) fails: Next element <*3>
 async_star_pause_test: RuntimeError # Uncaught Expect.listEquals(at index 2, expected: <0+>, actual: <0!>) fails
 async_star_test/02: RuntimeError
diff --git a/tests/language_2/language_2_kernel.status b/tests/language_2/language_2_kernel.status
index ab95ff9fbdc..b5467c45425 100644
--- a/tests/language_2/language_2_kernel.status
+++ b/tests/language_2/language_2_kernel.status
@@ -165,9 +165,7 @@ additional_interface_adds_optional_args_concrete_subclass_test: MissingCompileTi
 additional_interface_adds_optional_args_concrete_test: MissingCompileTimeError
 additional_interface_adds_optional_args_supercall_test: MissingCompileTimeError
 arithmetic2_test: RuntimeError # Throws CastError instead of TypeError
-assert_message_test: CompileTimeError # Issue 31402 (Assert statement)
 assertion_initializer_test: CompileTimeError # Issue 31402 (Assert statement)
-assertion_test: CompileTimeError # Issue 31402 (Assert statement)
 assign_to_type_test/01: MissingCompileTimeError
 assign_to_type_test/02: MissingCompileTimeError
 assign_to_type_test/03: MissingCompileTimeError
@@ -1124,7 +1122,6 @@ unresolved_default_constructor_test/01: MissingCompileTimeError
 unresolved_in_factory_test: MissingCompileTimeError
 unresolved_top_level_method_test: MissingCompileTimeError
 unresolved_top_level_var_test: MissingCompileTimeError
-vm/canonicalization_preserves_deopt_test: CompileTimeError # Issue 31402 (Assert statement)
 vm/closure_memory_retention_test: Skip # KernelVM bug: Hits OOM
 vm/debug_break_enabled_vm_test/01: CompileTimeError # KernelVM bug: Bad test using extended break syntax.
 vm/debug_break_enabled_vm_test/none: CompileTimeError # KernelVM bug: Bad test using extended break syntax.
@@ -1366,12 +1363,9 @@ abstract_syntax_test/00: MissingCompileTimeError
 additional_interface_adds_optional_args_concrete_subclass_test: MissingCompileTimeError
 additional_interface_adds_optional_args_concrete_test: MissingCompileTimeError
 additional_interface_adds_optional_args_supercall_test: MissingCompileTimeError
-assert_message_test: CompileTimeError # Issue 31402 (Assert statement)
 assert_with_type_test_or_cast_test: Pass, Crash
 assertion_initializer_const_error_test/01: Pass
 assertion_initializer_test: CompileTimeError # Issue 31402 (Assert statement)
-assertion_test: CompileTimeError # Issue 31402 (Assert statement)
-assertion_test: RuntimeError # Issue 30326
 assign_to_type_test/01: MissingCompileTimeError
 assign_to_type_test/02: MissingCompileTimeError
 assign_to_type_test/03: MissingCompileTimeError
@@ -2418,7 +2412,6 @@ unresolved_default_constructor_test/01: MissingCompileTimeError
 unresolved_in_factory_test: MissingCompileTimeError
 unresolved_top_level_method_test: MissingCompileTimeError
 unresolved_top_level_var_test: MissingCompileTimeError
-vm/canonicalization_preserves_deopt_test: CompileTimeError # Issue 31402 (Assert statement)
 vm/causal_async_exception_stack2_test: SkipByDesign
 vm/causal_async_exception_stack_test: SkipByDesign
 vm/closure_memory_retention_test: Skip # KernelVM bug: Hits OOM
diff --git a/tests/language_2/vm/canonicalization_preserves_deopt_test.dart b/tests/language_2/vm/canonicalization_preserves_deopt_test.dart
index da282a5d6d0..37d1587e934 100644
--- a/tests/language_2/vm/canonicalization_preserves_deopt_test.dart
+++ b/tests/language_2/vm/canonicalization_preserves_deopt_test.dart
@@ -28,13 +28,13 @@ main() {
     assert(() {
       Expect.isTrue(bar(-1 << 63));
       return true;
-    });
+    }());
     Expect.isTrue(baz(-1 << 63));
   }
   Expect.isFalse(foo(new X()));
   assert(() {
     Expect.isFalse(bar(new X()));
     return true;
-  });
+  }());
   Expect.isFalse(baz(new X()));
 }
diff --git a/tests/standalone_2/assert_test.dart b/tests/standalone_2/assert_test.dart
deleted file mode 100644
index 17f9e314a5b..00000000000
--- a/tests/standalone_2/assert_test.dart
+++ /dev/null
@@ -1,41 +0,0 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-// VMOptions=--enable_asserts
-
-// Dart test program testing assert statements.
-
-import "package:expect/expect.dart";
-
-class AssertTest {
-  static test() {
-    try {
-      assert(false);
-      Expect.fail("Assertion 'false' didn't fail.");
-    } on AssertionError catch (error) {
-      Expect.isTrue(error.toString().contains("'false'"));
-      Expect.isTrue(
-          error.stackTrace.toString().contains("assert_test.dart:13:14"));
-    }
-  }
-
-  static testClosure() {
-    try {
-      assert(() => false);
-      Expect.fail("Assertion '() => false' didn't fail.");
-    } on AssertionError catch (error) {
-      Expect.isTrue(error.toString().contains("'() => false'"));
-      Expect.isTrue(
-          error.stackTrace.toString().contains("assert_test.dart:24:14"));
-    }
-  }
-
-  static testMain() {
-    test();
-    testClosure();
-  }
-}
-
-main() {
-  AssertTest.testMain();
-}
diff --git a/tests/standalone_2/standalone_2.status b/tests/standalone_2/standalone_2.status
index 678a68810f9..2f97a1d873c 100644
--- a/tests/standalone_2/standalone_2.status
+++ b/tests/standalone_2/standalone_2.status
@@ -30,9 +30,6 @@ io/socket_info_ipv6_test: SkipByDesign
 io/socket_ipv6_test: SkipByDesign
 io/socket_source_address_test: SkipByDesign
 
-[ $compiler == app_jit ]
-assert_test: RuntimeError
-
 [ $compiler == dart2analyzer ]
 deferred_transitive_import_error_test: Skip
 
@@ -92,7 +89,6 @@ io/socket_connect_stream_data_close_cancel_test: Pass, Timeout # Issue 27453
 io/socket_many_connections_test: Skip # This test fails with "Too many open files" on the Mac OS buildbot. This is expected as MacOS by default runs with a very low number of allowed open files ('ulimit -n' says something like 256).
 
 [ $strong && ($compiler == dartk || $compiler == dartkp) ]
-assert_test: RuntimeError
 io/dependency_graph_test: CompileTimeError
 io/directory_test: RuntimeError
 io/file_error_test: RuntimeError
@@ -114,7 +110,6 @@ io/web_socket_protocol_processor_test: RuntimeError
 io/zlib_test: RuntimeError
 
 [ !$strong && ($compiler == dartk || $compiler == dartkp) ]
-assert_test: RuntimeError
 io/compile_all_test: Skip # Crashes
 io/http_client_connect_test: Skip # Flaky.
 io/http_content_length_test: Skip # Flaky.
@@ -142,11 +137,10 @@ regress_29350_test: MissingCompileTimeError
 [ $arch == arm || $arch == arm64 || $runtime != vm || $mode == debug && $system == windows ]
 fragmentation_test: Skip
 
-[ $compiler == dart2js || $compiler == dartdevc ]
+[ $compiler == dart2js || $compiler == dartdevc || $compiler == dartdevk ]
 *: SkipByDesign
 
 [ $mode == product || $runtime == dart_precompiled ]
-assert_test: SkipByDesign
 no_assert_test: SkipByDesign
 
 [ $runtime == dart_precompiled || $runtime == flutter || $runtime == vm ]
diff --git a/tests/standalone_2/standalone_2_kernel.status b/tests/standalone_2/standalone_2_kernel.status
index e85487206e5..ca96d89d58a 100644
--- a/tests/standalone_2/standalone_2_kernel.status
+++ b/tests/standalone_2/standalone_2_kernel.status
@@ -21,7 +21,6 @@ io/socket_port_test: Pass, Crash
 
 # ===== dartk + vm status lines =====
 [ $compiler == dartk && $runtime == vm && $strong ]
-assert_test: CompileTimeError # Issue 31402 (Assert statement)
 io/compile_all_test: Crash
 io/http_client_request_test: Pass, Timeout
 io/http_compression_test: RuntimeError