In rietveld.filter_latest_jobs, handle jobs with no build number.

third_party/WebKit/Tools/Scripts/webkitpy/common/net/rietveld_unittest.py

 # Copyright 2016 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.
 
 import json
 import logging
 import unittest
 import urllib2
 
 from webkitpy.common.net.rietveld import filter_latest_jobs
@@ skipping 80 matching lines @@
         self.assertEqual(latest_try_jobs(11112222, ('foo', 'bar'), self.web), [])
 
     def test_get_latest_try_job_results(self):
         self.assertEqual(get_latest_try_job_results(11112222, self.web), {'foo-builder': 1, 'bar-builder': 0})
 
     def test_filter_latest_jobs_empty(self):
         self.assertEqual(filter_latest_jobs([]), [])
 
     def test_filter_latest_jobs_higher_build_first(self):
         self.assertEqual(
-            filter_latest_jobs([
-                Build('foo', 5),
-                Build('foo', 3),
-                Build('bar', 5),
-            ]),
-            [
-                Build('foo', 5),
-                Build('bar', 5),
-            ])
+            filter_latest_jobs([Build('foo', 5), Build('foo', 3), Build('bar', 5)]),
+            [Build('foo', 5), Build('bar', 5)])
 
     def test_filter_latest_jobs_higher_build_last(self):
         self.assertEqual(
-            filter_latest_jobs([
-                Build('foo', 3),
-                Build('bar', 5),
-                Build('foo', 5),
-            ]),
-            [
-                Build('bar', 5),
-                Build('foo', 5),
-            ])
+            filter_latest_jobs([Build('foo', 3), Build('bar', 5), Build('foo', 5)]),
+            [Build('bar', 5), Build('foo', 5)])
+
+    def test_filter_latest_jobs_no_build_number(self):
+        self.assertEqual(
+            filter_latest_jobs([Build('foo', 3), Build('bar')]),
+            [Build('foo', 3)])