Replace @ReflectiveTestCase() with @reflectiveTest.

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/src/constants.dart';
 import 'package:analysis_server/src/domain_analysis.dart';
 import 'package:analysis_server/src/protocol.dart';
 import 'package:unittest/unittest.dart';
 
 import '../analysis_abstract.dart';
 import '../reflective_tests.dart';
 
 
 main() {
   groupSep = ' | ';
   runReflectiveTests(NotificationErrorsTest);
 }
 
 
-@ReflectiveTestCase()
+@reflectiveTest
 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;
     }
   }
 
@@ skipping 44 matching lines @@
 ''');
     return waitForTasksFinished().then((_) {
       List<AnalysisError> errors = filesErrors[testFile];
       expect(errors, hasLength(1));
       AnalysisError error = errors[0];
       expect(error.severity, AnalysisErrorSeverity.WARNING);
       expect(error.type, AnalysisErrorType.STATIC_WARNING);
     });
   }
 }