Implemented testing class in Debug package. Found Bug in pathfinder, debugging ongoing.
For merge: Revert "Implemented testing class in Debug package. Found Bug in pathfinder, debugging ongoing."

This reverts commit b5936a50ebbe33ac24e2a758b9c1a0eae4d321ba.
Merge branch 'master' using strategy ours (basically the same as changing other-idea into master)
into other-idea