Remove the non-driver versions of several tests

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

 // Copyright (c) 2014, 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.
 
 import 'dart:async';
 import 'dart:convert';
 
 import 'package:analysis_server/protocol/protocol_generated.dart';
 import 'package:analysis_server/src/services/correction/status.dart';
 import 'package:analysis_server/src/services/refactoring/extract_local.dart';
 import 'package:analysis_server/src/services/refactoring/refactoring.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import 'abstract_refactoring.dart';
 
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(ExtractLocalTest);
-    defineReflectiveTests(ExtractLocalTest_Driver);
   });
 }
 
 @reflectiveTest
 class ExtractLocalTest extends RefactoringTest {
   ExtractLocalRefactoringImpl refactoring;
 
+  @override
+  bool get enableNewAnalysisDriver => true;
+
   test_checkFinalConditions_sameVariable_after() async {
     await indexTestUnit('''
 main() {
   int a = 1 + 2;
   var res;
 }
 ''');
     _createRefactoringForString('1 + 2');
     // conflicting name
     RefactoringStatus status = await refactoring.checkAllConditions();
@@ skipping 1300 matching lines @@
   List<String> _getCoveringExpressions() {
     List<String> subExpressions = <String>[];
     for (int i = 0; i < refactoring.coveringExpressionOffsets.length; i++) {
       int offset = refactoring.coveringExpressionOffsets[i];
       int length = refactoring.coveringExpressionLengths[i];
       subExpressions.add(testCode.substring(offset, offset + length));
     }
     return subExpressions;
   }
 }
-
-@reflectiveTest
-class ExtractLocalTest_Driver extends ExtractLocalTest {
-  @override
-  bool get enableNewAnalysisDriver => true;
-}