[Findit] don't included skipped or unknown tests in swarming tasks into failed tests.

appengine/findit/model/wf_swarming_task.py

Index: appengine/findit/model/wf_swarming_task.py
diff --git a/appengine/findit/model/wf_swarming_task.py b/appengine/findit/model/wf_swarming_task.py
index 14dc1596f07d9ea4c117165e2589fa9dad790bfd..95be960134cb6be895311b456d6a19179d48a309 100644
--- a/appengine/findit/model/wf_swarming_task.py
+++ b/appengine/findit/model/wf_swarming_task.py
@@ -53,6 +53,8 @@ class WfSwarmingTask(BaseBuildModel):
     for test_name, test_statuses in self.tests_statuses.iteritems():
       if test_statuses.get('SUCCESS'):  # Test passed for some runs, flaky.
         classified_tests['flaky_tests'].append(test_name)
+      elif test_statuses.get('SKIPPED') or test_statuses.get('UNKNOWN'):
+        classified_tests['other_tests'].append(test_name)
       else:
         # Here we consider a 'non-flaky' test to be 'reliable'.
         # TODO(chanli): Check more test statuses.