changed travers testcase to remove reliance on directory ordering
changed travers testcase to remove reliance on directory ordering

git-svn-id: c40766185de49380797b251dcbe02d282f0a1f14@605 1bbb43ac-ffe0-11de-8c0c-f1c8ac664a8e

grischa/mytardis-mrtardis,grischa/mytardis-mrtardis