Reverse the sense of the flag to make it easier to find test that need to be converted

pkg/analysis_server/test/analysis/notification_occurrences_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.
 
 library test.analysis.notification.occurrences;
 
 import 'dart:async';
 
 import 'package:analysis_server/protocol/protocol.dart';
 import 'package:analysis_server/protocol/protocol_generated.dart';
 import 'package:analysis_server/src/constants.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../analysis_abstract.dart';
 
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(AnalysisNotificationOccurrencesTest);
   });
 }
 
 @reflectiveTest
 class AnalysisNotificationOccurrencesTest extends AbstractAnalysisTest {
   List<Occurrences> occurrencesList;
   Occurrences testOccurrences;
 
+  @override
+  bool get enableNewAnalysisDriver => false;
+
   /**
    * Asserts that there is an offset of [search] in [testOccurrences].
    */
   void assertHasOffset(String search) {
     int offset = findOffset(search);
     expect(testOccurrences.offsets, contains(offset));
   }
 
   /**
    * Validates that there is a region at the offset of [search] in [testFile].
@@ skipping 208 matching lines @@
   test_type_void() async {
     addTestFile('''
 void main() {
 }
 ''');
     await prepareOccurrences();
     int offset = findOffset('void main()');
     findRegion(offset, 'void'.length, false);
   }
 }