unittest step2: bye bye to multiple entrypoints for unittest

frog/tests/frog/src/NodeTestHelper.dart

 // Copyright (c) 2011, 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('NodeTestHelper');
 
-#import('unittest_node.dart');
+#import('../../../../lib/unittest/unittest.dart');
 #import('../../../lib/node/node.dart');
 
 /**
  * Helper method to be able to run the test from:
  * top-level-directory
  * frog
  * frog/tests/frog/src
  */
 
 String getFilename(String pathName) {
@@ skipping 140 matching lines @@
 
 /**
  * List entry is name-of-test, argument-to-child, stdin, expected-error,
  * expected-stdout, expected-stderr
  */
 void asyncFuzzyTests(String helperProgram, List<List<String>> tests) {
   for (var test in tests) {
     asyncFuzzyTestWithHelperProgram(test[0], helperProgram,
         [test[1]], test[2], test[3], test[4], test[5]);
   }
-}
+}