Tweaks for refactoring tests.

pkg/analysis_server/test/services/refactoring/extract_local_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.refactoring.extract_local;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/protocol.dart';
 import 'package:analysis_server/src/services/refactoring/extract_local.dart';
+import 'package:analysis_server/src/services/refactoring/refactoring.dart';
 import 'package:analysis_testing/reflective_tests.dart';
 import 'package:unittest/unittest.dart';
 
 import 'abstract_refactoring.dart';
 
 
 main() {
   groupSep = ' | ';
   runReflectiveTests(ExtractLocalTest);
 }
@@ skipping 855 matching lines @@
   Future _assertSuccessfulRefactoring(String expectedCode) {
     return assertRefactoringConditionsOK().then((_) {
       return refactoring.createChange().then((SourceChange refactoringChange) {
         this.refactoringChange = refactoringChange;
         assertTestChangeResult(expectedCode);
       });
     });
   }
 
   void _createRefactoring(int offset, int length) {
-    refactoring = new ExtractLocalRefactoringImpl(testUnit, offset, length);
+    refactoring = new ExtractLocalRefactoring(testUnit, offset, length);
     refactoring.name = 'res';
   }
 
   /**
    * Creates a new refactoring in [refactoring] for the selection range of the
    * given [search] pattern.
    */
   void _createRefactoringForString(String search) {
     int offset = findOffset(search);
     int length = search.length;
     _createRefactoring(offset, length);
   }
 
   void _createRefactoringWithSuffix(String selectionSearch, String suffix) {
     int offset = findOffset(selectionSearch + suffix);
     int length = selectionSearch.length;
     _createRefactoring(offset, length);
   }
 }