[Findit] A huge refactoring and some bug fixing.

appengine/findit/handlers/test/monitor_alerts_test.py

Index: appengine/findit/handlers/test/monitor_alerts_test.py
diff --git a/appengine/findit/handlers/test/monitor_alerts_test.py b/appengine/findit/handlers/test/monitor_alerts_test.py
index 865bbb26139ee544f92d8a49370909dcb940e144..830d679565df8add8b7d4d0202f7535dfdeabbe7 100644
--- a/appengine/findit/handlers/test/monitor_alerts_test.py
+++ b/appengine/findit/handlers/test/monitor_alerts_test.py
@@ -6,6 +6,7 @@ import textwrap
 
 import webapp2
 
+from common import constants
 from common.http_client_appengine import RetryHttpClient
 from handlers import monitor_alerts
 from waterfall import build_failure_analysis_pipelines
@@ -161,7 +162,7 @@ class MonitorAlertsTest(wf_testcase.WaterfallTestCase):
 
     expected_scheduled_analyses = [
         ('m3', 'b3', 3, ['s3'], False,
-         monitor_alerts._BUILD_FAILURE_ANALYSIS_TASKQUEUE),
+         constants.WATERFALL_ANALYSIS_QUEUE),
     ]
 
     scheduled_analyses = []