[Findit] Modify tryjob pipelines to trigger try jobs for test failure.

appengine/findit/model/wf_try_job.py

Index: appengine/findit/model/wf_try_job.py
diff --git a/appengine/findit/model/wf_try_job.py b/appengine/findit/model/wf_try_job.py
index 7e82824eb014dc2153172d8e306bd6ea7f106e97..f5cec9965f1100a9b60da7d6670f3d897742f27d 100644
--- a/appengine/findit/model/wf_try_job.py
+++ b/appengine/findit/model/wf_try_job.py
@@ -15,7 +15,9 @@ class WfTryJob(BaseBuildModel):
   """
   # A list of dict containing results and urls of each tryjob for compile.
   compile_results = ndb.JsonProperty(default=[], indexed=False, compressed=True)
-  # TODO(chanli): Add test_results when add support for tryjobs for test.
+
+  # A list of dict containing results and urls of each tryjob for test.

[qyearsley, 2016/01/17 03:43:12]

Unrelated to this CL, but something that I notice:

In some places we treat "tryjob" as one word, and in some places we treat it as
two words (e.g. the name of this class, and on line 22 below, and in the name of
this file).

In the official documentation, it's treated as two words ("try job").
https://www.chromium.org/developers/testing/try-server-usage

[chanli, 2016/01/20 18:07:08]

Done.

+  test_results = ndb.JsonProperty(default=[], indexed=False, compressed=True)
 
   # The status of the try job.
   status = ndb.IntegerProperty(