Roll to pickup pool changes

packages/matcher/test/core_matchers_test.dart

 // Copyright (c) 2012, 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.
 
 import 'package:matcher/matcher.dart';
 import 'package:test/test.dart' show test, group;
 
 import 'test_utils.dart';
 
 class BadCustomMatcher extends CustomMatcher {
@@ skipping 232 matching lines @@
   });
 
   test("Custom Matcher Exception", () {
     shouldFail(
         "a",
         new BadCustomMatcher(),
         allOf([
           contains("Expected: feature {1: 'a'} "),
           contains("Actual: 'a' "),
           contains("Which: threw 'Exception: bang' "),
-          contains("test/core_matchers_test.dart "),
-          contains("package:test ")
         ]));
   });
 }