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

pkg/analysis_server/test/domain_analysis_test.dart

Index: pkg/analysis_server/test/domain_analysis_test.dart
diff --git a/pkg/analysis_server/test/domain_analysis_test.dart b/pkg/analysis_server/test/domain_analysis_test.dart
index aee98c6bae4642fe0c539bc76accebdca8217092..046d20f6c55f12eefc7d8e94db14b35abb47a029 100644
--- a/pkg/analysis_server/test/domain_analysis_test.dart
+++ b/pkg/analysis_server/test/domain_analysis_test.dart
@@ -393,12 +393,6 @@ class AnalysisDomainTest extends AbstractAnalysisTest {
     }
   }
 
-  @override
-  void setUp() {
-    enableNewAnalysisDriver = true;
-    super.setUp();
-  }
-
   test_setRoots_packages() {
     // prepare package
     String pkgFile = '/packages/pkgA/libA.dart';
@@ -654,6 +648,9 @@ class AnalysisTestHelper {
 class SetSubscriptionsTest extends AbstractAnalysisTest {
   Map<String, List<HighlightRegion>> filesHighlights = {};
 
+  @override
+  bool get enableNewAnalysisDriver => false;
+
   void processNotification(Notification notification) {
     if (notification.event == ANALYSIS_HIGHLIGHTS) {
       var params = new AnalysisHighlightsParams.fromNotification(notification);