[Findit] Adding support for disabling test try jobs for given master/builder

appengine/findit/waterfall/waterfall_config.py

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Determines support level for different steps for masters."""
 
 from model.wf_config import FinditConfig
 
 # Explicitly list unsupported masters. Additional work might be needed in order
 # to support them.
@@ skipping 119 matching lines @@
   return trybot_config.get('mastername'), trybot_config.get('buildername')
 
 
 def EnableStrictRegexForCompileLinkFailures(wf_mastername, wf_buildername):
   """Returns True if strict regex should be used for the given builder."""
   trybot_config = FinditConfig.Get().builders_to_trybots.get(
       wf_mastername, {}).get(wf_buildername, {})
   return trybot_config.get('strict_regex', False)
 
 
+def ShouldSkipTestTryJobs(wf_mastername, wf_buildername):
+  """Returns True if test try jobs should be triggered.
+
+    By default, test try jobs should be supported unless the master/builder
+    specifies to bail out.
+
+  Args:
+    wf_mastername: The mastername of a waterfall builder.
+    wf_buildername: The buildername of a waterfall builder.
+
+  Returns:
+    True if test try jobs are to be skipped, False otherwise.
+  """
+  trybot_config = FinditConfig.Get().builders_to_trybots.get(
+      wf_mastername, {}).get(wf_buildername, {})
+  return trybot_config.get('not_run_tests', False)
+
+
 def GetTryJobSettings():
   return FinditConfig().Get().try_job_settings
 
 
 def GetSwarmingSettings():
   return FinditConfig().Get().swarming_settings