Revert "Deleted legacy shortest path testing"

This reverts commit 824202a14bbe7a060ae03613f343e9ed3bf29812.
Reetableret kortest-vej test

- Tester nu i grafen set i A* afsnittet i rapporten.
Merge branch 'Unstable' of https://github.com/mywonderchild/ITU1aarsgruppeJ into Unstable