implemented test for #167
FIXED MAGE-7419: German URL-Key for categories
FIXED #167
Merge branch 'master' into schrank-167
FIXES #167
Removed unit test from taf and put it into integration
exchanged expected and actual result to have a correct error
added ß to the test
changed for better readability
CR Change  MAGE-7419 (#167): German URL-Key for categories
- moved the test to unit tests, thus they are faster to execute
- refactored the test to data-providers to make it more simple
Merge pull request #183 from magento/schrank-167

Schrank #167 - fixed German urls