[Findit] Adding central config test class for unit tests

appengine/findit/waterfall/try_job_util.py

Index: appengine/findit/waterfall/try_job_util.py
diff --git a/appengine/findit/waterfall/try_job_util.py b/appengine/findit/waterfall/try_job_util.py
index 87f0eda82aec4aa2befa529f7fd1446af7c4c618..4b2d6350d6a0d58aa19115fae8ee44499881d9b9 100644
--- a/appengine/findit/waterfall/try_job_util.py
+++ b/appengine/findit/waterfall/try_job_util.py
@@ -149,6 +149,7 @@ def ScheduleTryJobIfNeeded(failure_info, signals=None, build_completed=False):
 
   tryserver_mastername, tryserver_buildername = (
       waterfall_config.GetTrybotForWaterfallBuilder(master_name, builder_name))
+
   if not tryserver_mastername or not tryserver_buildername:
     logging.info('%s, %s is not supported yet.', master_name, builder_name)
     return {}