failedTestsFormatString = "%d tests failed"
output is always in plural, which is incorrect and should be fixed.
Created attachment 245340 [details]
the idea is come from: https://bugs.webkit.org/show_bug.cgi?id=140821#c4 :
"1 tests" is not good grammar. Given that one failing test is the most common failure case, I think that the error text should be nice.
Attachment 245340 [details] did not pass style-queue:
ERROR: Tools/BuildSlaveSupport/build.webkit.org-config/mastercfg_unittest.py:158: [RunLLINTCLoopTestsTest.test_failure] Undefined variable 'FAILURE' [pylint/E0602] 
ERROR: Tools/BuildSlaveSupport/build.webkit.org-config/mastercfg_unittest.py:179: [Run32bitJSCTestsTest.test_failure] Undefined variable 'FAILURE' [pylint/E0602] 
Total errors found: 2 in 3 files
If any of these errors are false positives, please file a bug against check-webkit-style.
Comment on attachment 245340 [details]
Clearing flags on attachment: 245340
Committed r179116: <http://trac.webkit.org/changeset/179116>
All reviewed patches have been landed. Closing bug.