Remove the non-driver versions of several tests

pkg/analysis_server/test/services/refactoring/rename_label_test.dart

Index: pkg/analysis_server/test/services/refactoring/rename_label_test.dart
diff --git a/pkg/analysis_server/test/services/refactoring/rename_label_test.dart b/pkg/analysis_server/test/services/refactoring/rename_label_test.dart
index 83d03bce06b560170323ecdccbbe0c99c47a65c5..42242c1533fd948ebe7cd86e4c58805c5f421d52 100644
--- a/pkg/analysis_server/test/services/refactoring/rename_label_test.dart
+++ b/pkg/analysis_server/test/services/refactoring/rename_label_test.dart
@@ -11,12 +11,14 @@ import 'abstract_rename.dart';
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(RenameLabelTest);
-    defineReflectiveTests(RenameLabelTest_Driver);
   });
 }
 
 @reflectiveTest
 class RenameLabelTest extends RenameRefactoringTest {
+  @override
+  bool get enableNewAnalysisDriver => true;
+
   test_checkNewName_LocalVariableElement() async {
     await indexTestUnit('''
 main() {
@@ -82,9 +84,3 @@ test:
     expect(refactoring.oldName, 'test');
   }
 }
-
-@reflectiveTest
-class RenameLabelTest_Driver extends RenameLabelTest {
-  @override
-  bool get enableNewAnalysisDriver => true;
-}