Revert "Parts must start with 'part of'" and "Attempt to fix VM build"

dart/pkg/unittest/test/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.
 
-library matcherTest;
-import '../../../pkg/unittest/unittest.dart';
-part 'test_utils.dart';
+#library('matcherTest');
+#import('../../../pkg/unittest/unittest.dart');
+#source('test_utils.dart');
 
 doesNotThrow() {}
 doesThrow() { throw 'X'; }
 
 class PrefixMatcher extends BaseMatcher {
   final String _prefix;
   const PrefixMatcher(this._prefix);
   bool matches(item, MatchState matchState) {
     return item is String &&
         (collapseWhitespace(item)).startsWith(collapseWhitespace(_prefix));
@@ skipping 501 matching lines @@
     test('isInstanceOf', () {
       shouldFail(0, predicate((x) => x is String,
                               description: "an instance of String"),
           "Expected: an instance of String but: was <0>.");
       shouldPass('cow', predicate((x) => x is String,
                                   description: "an instance of String"));
     });
   });
 }