More fixes for failures on the Windows bot

pkg/analysis_server/test/services/index/store/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.src.index.store;
 
 import 'package:unittest/unittest.dart';
 
+import '../../../utils.dart';
 import 'codec_test.dart' as codec_test;
 import 'collection_test.dart' as collection_test;
 import 'split_store_test.dart' as split_store_test;
 import 'temporary_folder_file_manager_test.dart' as tmp_file_manager_test;
 
 /**
  * Utility for manually running all tests.
  */
 main() {
-  groupSep = ' | ';
+  initializeTestEnvironment();
   group('store', () {
     codec_test.main();
     collection_test.main();
     tmp_file_manager_test.main();
     split_store_test.main();
   });
 }