See the following locations for examples of this bug:
http://troy/bamboo/download/CCD-SANITY/artifacts/build-529/CODEC/custom/org/apache/commons/codec/language/RefinedSoundexTest_testDifference.html
http://troy/bamboo/download/CCD-SANITY/artifacts/build-528/UTIL-CONCURRENT/default-pkg/ThreadPoolExecutorTest_testSetRejectedExecutionHandlerNull.html
NB. in both cases, multiple test runs are involved for the same test
Maybe best to append the test-case-id to the filename