cleanup to tools/testing/dart

tools/test.dart

 #!/usr/bin/env dart
 // Copyright (c) 2013, 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.
 
 /**
  * This file is the entrypoint of the dart test suite.  This suite is used
  * to test:
  *
  *     1. the dart vm
@@ skipping 14 matching lines @@
  * "tools/testing/dart/test_suite.dart", above
  * "factory StandardTestSuite.forDirectory".
  */
 
 library test;
 
 import "dart:async";
 import "dart:io";
 import "testing/dart/test_configurations.dart";
 import "testing/dart/test_options.dart";
-import "testing/dart/test_progress.dart";
-import "testing/dart/test_suite.dart";
-import "testing/dart/utils.dart";
+import "testing/dart/lib/test_progress.dart";
+import 'testing/dart/lib/test_utils.dart';
+import "testing/dart/lib/utils.dart";
 
 Future _deleteTemporaryDartDirectories() {
   var completer = new Completer();
   var environment = Platform.environment;
   if (environment['DART_TESTING_DELETE_TEMPORARY_DIRECTORIES'] == '1') {
     LeftOverTempDirPrinter.getLeftOverTemporaryDirectories().listen(
         (Directory tempDirectory) {
           try {
             tempDirectory.deleteSync(recursive: true);
           } catch (error) {
@@ skipping 10 matching lines @@
   // This script is in [dart]/tools.
   TestUtils.setDartDirUri(Platform.script.resolve('..'));
   _deleteTemporaryDartDirectories().then((_) {
     var optionsParser = new TestOptionsParser();
     var configurations = optionsParser.parse(arguments);
     if (configurations != null && configurations.length > 0) {
       testConfigurations(configurations);
     }
   });
 }