Adds Junit tests in dartc back into test.py

tools/test.dart

 #!/usr/bin/env 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.
 
 /**
  * This file is the entrypoint of the dart test suite.  This suite is used
  * to test:
  *
  *     1. the dart vm
@@ skipping 115 matching lines @@
     }
     if (selectors.containsKey('leg')) {
       queue.addTestSuite(new LegTestSuite(conf));
     }
     if (selectors.containsKey('leg_only')) {
       queue.addTestSuite(new LegOnlyTestSuite(conf));
     }
     if (selectors.containsKey('frog_native')) {
       queue.addTestSuite(new FrogNativeTestSuite(conf));
     }
-    if (conf['component'] == 'dartc' && selectors.containsKey('dartc')) {
+    if (conf['compiler'] == 'dartc' && selectors.containsKey('dartc')) {
       queue.addTestSuite(new ClientDartcTestSuite(conf));
     }
-    if (conf['component'] == 'dartc' && selectors.containsKey('dartc')) {
+    if (conf['compiler'] == 'dartc' && selectors.containsKey('dartc')) {
       queue.addTestSuite(new JUnitDartcTestSuite(conf));
     }
     if (selectors.containsKey('css')) {
       queue.addTestSuite(new CssTestSuite(conf));
     }
     if (selectors.containsKey('import_mapper')) {
       queue.addTestSuite(new ImportMapperTestSuite(conf));
     }
     if (selectors.containsKey('peg')) {
       queue.addTestSuite(new PegTestSuite(conf));
@@ skipping 19 matching lines @@
   // Start process queue.
   var queue = new ProcessQueue(maxProcesses,
                                progressIndicator,
                                startTime,
                                printTiming,
                                enqueueConfiguration,
                                verbose,
                                listTests,
                                keepGeneratedTests);
 }