Remove the non-driver versions of several tests

pkg/analysis_server/test/analysis/notification_errors_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_errors;
-
 import 'package:analysis_server/protocol/protocol.dart';
 import 'package:analysis_server/protocol/protocol_generated.dart';
 import 'package:analysis_server/src/constants.dart';
 import 'package:analysis_server/src/context_manager.dart';
 import 'package:analysis_server/src/domain_analysis.dart';
 import 'package:analyzer/src/dart/analysis/driver.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/lint/linter.dart';
 import 'package:analyzer/src/services/lint.dart';
 import 'package:linter/src/rules.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../analysis_abstract.dart';
 import '../mocks.dart';
 
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(NotificationErrorsTest);
-    defineReflectiveTests(NotificationErrorsTest_Driver);
   });
 }
 
 @reflectiveTest
-class AbstractNotificationErrorsTest extends AbstractAnalysisTest {
+class NotificationErrorsTest extends AbstractAnalysisTest {
   Map<String, List<AnalysisError>> filesErrors = {};
 
   void processNotification(Notification notification) {
     if (notification.event == ANALYSIS_ERRORS) {
       var decoded = new AnalysisErrorsParams.fromNotification(notification);
       filesErrors[decoded.file] = decoded.errors;
     }
   }
 
   @override
   void setUp() {
+    enableNewAnalysisDriver = true;
+    generateSummaryFiles = true;
     registerLintRules();
     super.setUp();
     server.handlers = [
       new AnalysisDomainHandler(server),
     ];
   }
 
   test_importError() async {
     createProject();
 
@@ skipping 93 matching lines @@
 ''');
     await waitForTasksFinished();
     await pumpEventQueue();
     List<AnalysisError> errors = filesErrors[testFile];
     expect(errors, hasLength(1));
     AnalysisError error = errors[0];
     expect(error.severity, AnalysisErrorSeverity.WARNING);
     expect(error.type, AnalysisErrorType.STATIC_WARNING);
   }
 }
-
-@reflectiveTest
-class NotificationErrorsTest extends AbstractNotificationErrorsTest {}
-
-@reflectiveTest
-class NotificationErrorsTest_Driver extends AbstractNotificationErrorsTest {
-  @override
-  void setUp() {
-    enableNewAnalysisDriver = true;
-    generateSummaryFiles = true;
-    super.setUp();
-  }
-}