Send final problems even if 'validateOnly'.

pkg/analysis_server/test/services/refactoring/rename_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.rename_local;
 
 import 'package:analysis_server/src/protocol.dart';
 import 'package:unittest/unittest.dart';
 
 import '../../reflective_tests.dart';
@@ skipping 43 matching lines @@
           RefactoringProblemSeverity.ERROR,
           expectedMessage: "Duplicate function 'newName'.");
     });
   }
 
   test_checkFinalConditions_hasLocalVariable_after() {
     indexTestUnit('''
 main() {
   int test = 0;
   var newName = 1;
+  print(newName);
 }
 ''');
     createRenameRefactoringAtString('test = 0');
     // check status
     refactoring.newName = 'newName';
     return refactoring.checkFinalConditions().then((status) {
+      expect(status.problems, hasLength(1));
       assertRefactoringStatus(
           status,
           RefactoringProblemSeverity.ERROR,
           expectedMessage: "Duplicate local variable 'newName'.",
           expectedContextSearch: 'newName = 1;');
     });
   }
 
   test_checkFinalConditions_hasLocalVariable_before() {
     indexTestUnit('''
@@ skipping 400 matching lines @@
 main() {
   int test = 0;
 }
 ''');
     // configure refactoring
     createRenameRefactoringAtString('test = 0');
     // old name
     expect(refactoring.oldName, 'test');
   }
 }