Make the analysis server integration tests driver only.

pkg/analysis_server/test/integration/analysis/highlights_test2.dart

Index: pkg/analysis_server/test/integration/analysis/highlights_test2.dart
diff --git a/pkg/analysis_server/test/integration/analysis/highlights_test2.dart b/pkg/analysis_server/test/integration/analysis/highlights_test2.dart
index b05aa1f41b12045abc2d6be456f1866102dc159d..962d8c634a4ff7690594efe37aaa289cb8b19a57 100644
--- a/pkg/analysis_server/test/integration/analysis/highlights_test2.dart
+++ b/pkg/analysis_server/test/integration/analysis/highlights_test2.dart
@@ -13,12 +13,11 @@ import '../integration_tests.dart';
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(AnalysisHighlightsTest);
-    defineReflectiveTests(AnalysisHighlightsTest_Driver);
   });
 }
 
-class AbstractAnalysisHighlightsTest
-    extends AbstractAnalysisServerIntegrationTest {
+@reflectiveTest
+class AnalysisHighlightsTest extends AbstractAnalysisServerIntegrationTest {
   Future startServer(
       {bool checked: true, int diagnosticPort, int servicesPort}) {
     return server.start(
@@ -159,12 +158,3 @@ int topLevelVariable;
     });
   }
 }
-
-@reflectiveTest
-class AnalysisHighlightsTest extends AbstractAnalysisHighlightsTest {}
-
-@reflectiveTest
-class AnalysisHighlightsTest_Driver extends AbstractAnalysisHighlightsTest {
-  @override
-  bool get enableNewAnalysisDriver => true;
-}