Remove extra files generated by tests, if the test passes.  If the test fails, leave them around for postmortem analysis.
Remove extra files generated by tests, if the test passes.  If the test
fails, leave them around for postmortem analysis.


git-svn-id: 93cebb81a0f5cc00f31a7ad40d16024532691b70@374 a3683778-fedd-11de-87c3-653bb6514e15

mcanthony/OpenShadingLanguage,svenstaro/OpenShadingLanguage,Anteru/OpenShadingLanguage,gzorin/OpenShadingLanguage,fpsunflower/OpenShadingLanguage,lgritz/OpenShadingLanguage,brechtvl/OpenShadingLanguage,yaroslav-tarasov/OpenShadingLanguage,juvenal/OpenShadingLanguage,gzorin/OpenShadingLanguage,amartinez-cg/OpenShadingLanguage,juvenal/OpenShadingLanguage,johnhaddon/OpenShadingLanguage,johnhaddon/OpenShadingLanguage,juvenal/OpenShadingLanguage,brechtvl/OpenShadingLanguage,johnhaddon/OpenShadingLanguage,aconty/OpenShadingLanguage,svenstaro/OpenShadingLanguage,brechtvl/OpenShadingLanguage,imageworks/OpenShadingLanguage,rlmh/OpenShadingLanguage,rlmh/OpenShadingLanguage,aconty/OpenShadingLanguage,lgritz/OpenShadingLanguage,lgritz/OpenShadingLanguage,imageworks/OpenShadingLanguage,sjparker/OpenShadingLanguage,Anteru/OpenShadingLanguage,mcanthony/OpenShadingLanguage,lgritz/OpenShadingLanguage,aconty/OpenShadingLanguage,sjparker/OpenShadingLanguage,svenstaro/OpenShadingLanguage,Anteru/OpenShadingLanguage,rlmh/OpenShadingLanguage,brechtvl/OpenShadingLanguage,fpsunflower/OpenShadingLanguage,sjparker/OpenShadingLanguage,aconty/OpenShadingLanguage,amartinez-cg/OpenShadingLanguage,fpsunflower/OpenShadingLanguage,yaroslav-tarasov/OpenShadingLanguage,svenstaro/OpenShadingLanguage,fpsunflower/OpenShadingLanguage,gzorin/OpenShadingLanguage,amartinez-cg/OpenShadingLanguage,Anteru/OpenShadingLanguage,gzorin/OpenShadingLanguage,imageworks/OpenShadingLanguage,johnhaddon/OpenShadingLanguage,imageworks/OpenShadingLanguage,imageworks/OpenShadingLanguage,mcanthony/OpenShadingLanguage,aconty/OpenShadingLanguage,brechtvl/OpenShadingLanguage,amartinez-cg/OpenShadingLanguage,lgritz/OpenShadingLanguage,gzorin/OpenShadingLanguage,mcanthony/OpenShadingLanguage,amartinez-cg/OpenShadingLanguage,yaroslav-tarasov/OpenShadingLanguage,juvenal/OpenShadingLanguage,yaroslav-tarasov/OpenShadingLanguage,rlmh/OpenShadingLanguage,sjparker/OpenShadingLanguage