fixed typo in test-fail message
adjusted expected id and count of persons to consider the recently added person in test-enviroment
ignoring persons which does not have an employer set in fake find query

this is needed because we do not expect them to be found
made require statement independently from include path

This class relies on the fact that zetaComponents were installed by PEAR or are directly accessible from the include path. This was fixed and the implementation in this directories are used now.