added test case to check whether the RelativeFilePath is updated accordingly after WriteFiles
added test case to check whether the RelativeFilePath is updated accordingly after WriteFiles

adamclifford/Wyam,heavenwing/Wyam,adamclifford/Wyam,adamclifford/Wyam,adamclifford/Wyam,Wyamio/Wyam,Wyamio/Wyam,heavenwing/Wyam,Wyamio/Wyam,adamclifford/Wyam