Switch analysis_server to use 'package:test'.

pkg/analysis_server/test/edit/refactoring_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.refactoring;
 
 import 'dart:async';
 
 import 'package:analysis_server/plugin/protocol/protocol.dart';
 import 'package:analysis_server/src/edit/edit_domain.dart';
 import 'package:analysis_server/src/services/index/index.dart';
 import 'package:analyzer/task/dart.dart';
 import 'package:plugin/manager.dart';
+import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
-import 'package:unittest/unittest.dart' hide ERROR;
 
 import '../analysis_abstract.dart';
 import '../mocks.dart';
 import '../utils.dart';
 
 main() {
   initializeTestEnvironment();
-  defineReflectiveTests(ConvertGetterMethodToMethodTest);
-  defineReflectiveTests(ConvertMethodToGetterTest);
-  defineReflectiveTests(ExtractLocalVariableTest);
-  defineReflectiveTests(ExtractMethodTest);
-  defineReflectiveTests(GetAvailableRefactoringsTest);
-  defineReflectiveTests(InlineLocalTest);
-  defineReflectiveTests(InlineMethodTest);
-  defineReflectiveTests(MoveFileTest);
-  defineReflectiveTests(RenameTest);
-  defineReflectiveTests(_NoSearchEngine);
+  defineReflectiveSuite(() {
+    defineReflectiveTests(ConvertGetterMethodToMethodTest);
+    defineReflectiveTests(ConvertMethodToGetterTest);
+    defineReflectiveTests(ExtractLocalVariableTest);
+    defineReflectiveTests(ExtractMethodTest);
+    defineReflectiveTests(GetAvailableRefactoringsTest);
+    defineReflectiveTests(InlineLocalTest);
+    defineReflectiveTests(InlineMethodTest);
+    defineReflectiveTests(MoveFileTest);
+    defineReflectiveTests(RenameTest);
+    defineReflectiveTests(_NoSearchEngine);
+  });
 }
 
 @reflectiveTest
 class ConvertGetterMethodToMethodTest extends _AbstractGetRefactoring_Test {
   test_function() {
     addTestFile('''
 int get test => 42;
 main() {
   var a = 1 + test;
   var b = 2 + test;
@@ skipping 2021 matching lines @@
         .toRequest('0');
     return _assertErrorResponseNoIndex(request);
   }
 
   _assertErrorResponseNoIndex(Request request) async {
     Response response = await serverChannel.sendRequest(request);
     expect(response.error, isNotNull);
     expect(response.error.code, RequestErrorCode.NO_INDEX_GENERATED);
   }
 }