Start getting the DDC bot to run tests using test.dart.

tools/bots/ddc_tests.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2016, 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.
 
 import os
 import os.path
 import shutil
 import sys
 import subprocess
 
 import bot
 import bot_utils
 
-utils = bot_utils.GetUtils()
+TARGETS = [
+  'language_strong',
+  'corelib_strong',
+  'lib_strong'
+]
 
-BUILD_OS = utils.GuessOS()
-
-(bot_name, _) = bot.GetBotName()
-CHANNEL = bot_utils.GetChannelFromName(bot_name)
+FLAGS = [
+  '--strong'
+]
 
 if __name__ == '__main__':
-  with utils.ChangedWorkingDirectory('pkg/dev_compiler'):
-    dart_exe = utils.CheckedInSdkExecutable()
-
-    # These two calls mirror pkg/dev_compiler/tool/test.sh.
-    bot.RunProcess([dart_exe, 'tool/build_pkgs.dart', 'test'])
-    bot.RunProcess([dart_exe, 'test/all_tests.dart'])
-
-    # TODO(vsm): Our bots do not have node / npm installed.
-    # These mirror pkg/dev_compiler/tool/browser_test.sh.
-    # bot.RunProcess(['npm', 'install'])
-    # bot.RunProcess(['npm', 'test'], {'CHROME_BIN': 'chrome'})
+  (bot_name, _) = bot.GetBotName()
+  system = bot_utils.GetSystemFromName(bot_name)
+  info = bot.BuildInfo('dartdevc', 'chrome', 'release', system,
+      arch='x64', checked=True)
+  bot.RunTest('dartdevc', info, TARGETS, flags=FLAGS)