Switch analysis_server to use 'package:test'.

pkg/analysis_server/test/services/refactoring/test_all.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.refactoring;
 
-import 'package:unittest/unittest.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../../utils.dart';
 import 'convert_getter_to_method_test.dart' as convert_getter_to_method_test;
 import 'convert_method_to_getter_test.dart' as convert_method_to_getter_test;
 import 'extract_local_test.dart' as extract_local_test;
 import 'extract_method_test.dart' as extract_method_test;
 import 'inline_local_test.dart' as inline_local_test;
 import 'inline_method_test.dart' as inline_method_test;
 import 'move_file_test.dart' as move_file_test;
 import 'naming_conventions_test.dart' as naming_conventions_test;
 import 'rename_class_member_test.dart' as rename_class_member_test;
 import 'rename_constructor_test.dart' as rename_constructor_test;
 import 'rename_import_test.dart' as rename_import_test;
 import 'rename_label_test.dart' as rename_label_test;
 import 'rename_library_test.dart' as rename_library_test;
 import 'rename_local_test.dart' as rename_local_test;
 import 'rename_unit_member_test.dart' as rename_unit_member_test;
 
 /// Utility for manually running all tests.
 main() {
   initializeTestEnvironment();
-  group('refactoring', () {
+  defineReflectiveSuite(() {
     convert_getter_to_method_test.main();
     convert_method_to_getter_test.main();
     extract_local_test.main();
     extract_method_test.main();
     inline_local_test.main();
     inline_method_test.main();
     move_file_test.main();
     naming_conventions_test.main();
     rename_class_member_test.main();
     rename_constructor_test.main();
     rename_import_test.main();
     rename_label_test.main();
     rename_library_test.main();
     rename_local_test.main();
     rename_unit_member_test.main();
-  });
+  }, name: 'refactoring');
 }