diff --git a/pkg/dartdev/test/utils.dart b/pkg/dartdev/test/utils.dart
index 9dc7b41edd0..7e978baf882 100644
--- a/pkg/dartdev/test/utils.dart
+++ b/pkg/dartdev/test/utils.dart
@@ -58,12 +58,12 @@ class TestProject {
     var arguments = [
       absolutePathToDartdevFile,
       command,
+      if (command == 'migrate')
+        // TODO(srawlins): Enable `pub outdated` in tests.
+        '--skip-pub-outdated',
+      ...?args,
     ];
 
-    if (args != null && args.isNotEmpty) {
-      arguments.addAll(args);
-    }
-
     return Process.runSync(
       Platform.resolvedExecutable,
       arguments,