Switch the default from non-driver to driver in several tests

pkg/analysis_server/test/services/correction/fix_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 'package:analysis_server/plugin/edit/fix/fix_core.dart';
 import 'package:analysis_server/plugin/edit/fix/fix_dart.dart';
 import 'package:analysis_server/protocol/protocol_generated.dart'
     hide AnalysisError;
@@ skipping 35 matching lines @@
         error.errorCode != HintCode.UNUSED_ELEMENT &&
         error.errorCode != HintCode.UNUSED_FIELD &&
         error.errorCode != HintCode.UNUSED_LOCAL_VARIABLE;
   };
 
   String myPkgLibPath = '/packages/my_pkg/lib';
 
   String flutterPkgLibPath = '/packages/flutter/lib';
 
   Fix fix;
+
   SourceChange change;
   String resultCode;
 
   assert_undefinedFunction_create_returnType_bool(String lineWithTest) async {
     await resolveTestUnit('''
 main() {
   bool b = true;
   $lineWithTest
 }
 ''');
@@ skipping 155 matching lines @@
     for (String search in searchStrings) {
       int offset = resultCode.indexOf(search);
       positions.add(new Position(testFile, offset));
     }
     return positions;
   }
 }
 
 @reflectiveTest
 class FixProcessorTest extends BaseFixProcessorTest {
-  @override
-  bool get enableNewAnalysisDriver => true;
-
   test_addFieldFormalParameters_hasRequiredParameter() async {
     await resolveTestUnit('''
 class Test {
   final int a;
   final int b;
   final int c;
   Test(this.a);
 }
 ''');
     await assertHasFix(
@@ skipping 5639 matching lines @@
         pathToCode.keys
             .map((path) => "import 'package:flutter/$path';")
             .join('\n'));
   }
 }
 
 @reflectiveTest
 class LintFixTest extends BaseFixProcessorTest {
   AnalysisError error;
 
-  @override
-  bool get enableNewAnalysisDriver => true;
-
   Future applyFix(FixKind kind) async {
     fix = await _assertHasFix(kind, error);
     change = fix.change;
     // apply to "file"
     List<SourceFileEdit> fileEdits = change.edits;
     expect(fileEdits, hasLength(1));
     resultCode = SourceEdit.applySequence(testCode, change.edits[0].edits);
   }
 
   Future<Null> findLint(String src, String lintCode, {int length: 1}) async {
@@ skipping 975 matching lines @@
 
   @override
   final CompilationUnit unit;
 
   @override
   final AnalysisError error;
 
   _DartFixContextImpl(this.resourceProvider, this.getTopLevelDeclarations,
       this.analysisContext, this.astProvider, this.unit, this.error);
 }