Replace @ReflectiveTestCase() with @reflectiveTest.

pkg/analysis_server/test/services/index/local_index_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.services.src.index.local_index;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/services/index/index.dart';
 import 'package:analysis_server/src/services/index/local_index.dart';
@@ skipping 17 matching lines @@
 void _assertElementNames(List<Location> locations, List expected) {
   expect(_toElementNames(locations), unorderedEquals(expected));
 }
 
 
 Iterable<String> _toElementNames(List<Location> locations) {
   return locations.map((loc) => loc.element.name);
 }
 
 
-@ReflectiveTestCase()
+@reflectiveTest
 class LocalIndexTest extends AbstractContextTest {
   LocalIndex index;
 
   void setUp() {
     super.setUp();
     index = createLocalMemoryIndex();
   }
 
   void tearDown() {
     super.tearDown();
@@ skipping 92 matching lines @@
     Source source = addSource(path, content);
     CompilationUnit dartUnit = resolveLibraryUnit(source);
     index.indexUnit(context, dartUnit);
     return source;
   }
 
   void _indexTest(String content) {
     _indexLibraryUnit('/test.dart', content);
   }
 }