Replace @ReflectiveTestCase() with @reflectiveTest.

pkg/analysis_server/test/edit/fixes_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.edit.fixes;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/edit/edit_domain.dart';
 import 'package:analysis_server/src/protocol.dart';
 import 'package:unittest/unittest.dart' hide ERROR;
 
 import '../analysis_abstract.dart';
 import '../reflective_tests.dart';
 
 
 main() {
   groupSep = ' | ';
   runReflectiveTests(FixesTest);
 }
 
 
-@ReflectiveTestCase()
+@reflectiveTest
 class FixesTest extends AbstractAnalysisTest {
   @override
   void setUp() {
     super.setUp();
     createProject();
     handler = new EditDomainHandler(server);
   }
 
   Future test_fixUndefinedClass() {
     addTestFile('''
@@ skipping 53 matching lines @@
   }
 
 
   void _isSyntacticErrorWithSingleFix(AnalysisErrorFixes fixes) {
     AnalysisError error = fixes.error;
     expect(error.severity, AnalysisErrorSeverity.ERROR);
     expect(error.type, AnalysisErrorType.SYNTACTIC_ERROR);
     expect(fixes.fixes, hasLength(1));
   }
 }