Merge to XFA: Sort unexpected test results.

No typos here.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1232203003 .

(cherry picked from commit d3611f9db615be393016a8ab5340ccea7f13832b)

Review URL: https://codereview.chromium.org/1244503003 .
diff --git a/testing/tools/run_javascript_tests.py b/testing/tools/run_javascript_tests.py
index ff66d9c..f9344a1 100755
--- a/testing/tools/run_javascript_tests.py
+++ b/testing/tools/run_javascript_tests.py
@@ -66,6 +66,7 @@
           failures.append(input_path)
 
   if failures:
+    failures.sort()
     print '\n\nSummary of Failures:'
     for failure in failures:
       print failure