Move tests for things in /pkg into the right places for packages

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 27 matching lines @@
 /**
  * The directories that contain test suites which follow the conventions
  * required by [StandardTestSuite]'s forDirectory constructor.
  * New test suites should follow this convention because it makes it much
  * simpler to add them to test.dart.  Existing test suites should be
  * moved to here, if possible.
 */
 final TEST_SUITE_DIRECTORIES = const [
     const Path('frog/tests/await'),
     const Path('frog/tests/frog'),
+    const Path('pkg'),
     const Path('runtime/tests/vm'),
     const Path('samples/tests/samples'),
     const Path('tests/benchmark_smoke'),
     const Path('tests/compiler/dart2js'),
     const Path('tests/compiler/dart2js_extra'),
     const Path('tests/compiler/dart2js_native'),
     const Path('tests/corelib'),
     const Path('tests/dom'),
     const Path('tests/html'),
     const Path('tests/isolate'),
@@ skipping 70 matching lines @@
 
   // Start process queue.
   var queue = new ProcessQueue(maxProcesses,
                                progressIndicator,
                                startTime,
                                printTiming,
                                enqueueConfiguration,
                                verbose,
                                listTests);
 }