New 'use similar' fixes.

pkg/analysis_services/test/correction/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.correction;
 
 import 'package:unittest/unittest.dart';
 
 import 'change_test.dart' as change_test;
 import 'fix_test.dart' as fix_test;
+import 'levenshtein_test.dart' as levenshtein_test;
 import 'name_suggestion_test.dart' as name_suggestion_test;
 import 'source_range_test.dart' as source_range_test;
 import 'strings_test.dart' as strings_test;
 
 /// Utility for manually running all tests.
 main() {
   groupSep = ' | ';
   group('correction', () {
     change_test.main();
     fix_test.main();
+    levenshtein_test.main();
     name_suggestion_test.main();
     source_range_test.main();
     strings_test.main();
   });
 }