fix #27644, allow "dart" and "dartx" to be renamed if needed

pkg/dev_compiler/test/codegen/language/variable_named_dart_test.dart

Index: pkg/dev_compiler/test/codegen/language/variable_named_dart_test.dart
diff --git a/tests/standalone/no_lazy_dispatchers_test.dart b/pkg/dev_compiler/test/codegen/language/variable_named_dart_test.dart
similarity index 69%
copy from tests/standalone/no_lazy_dispatchers_test.dart
copy to pkg/dev_compiler/test/codegen/language/variable_named_dart_test.dart
index f45ba1c402db0fd7dac52547208fdbb7c21983da..233b60f899e88253c5ca472b24fd67481e550624 100644
--- a/tests/standalone/no_lazy_dispatchers_test.dart
+++ b/pkg/dev_compiler/test/codegen/language/variable_named_dart_test.dart
@@ -2,8 +2,9 @@
 // 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=--no_lazy_dispatchers
+import 'package:expect/expect.dart';
 
 main() {
-  print("Okay");
+  dynamic dart = 123;
+  Expect.equals(dart.toDouble(), 123.0);
 }