Aufg4 Graphics - Shift tests

Allerdings eine Sache hierzu:
Revert "Aufg4 Graphics - Shift tests"

This reverts commit a8436d9394585d0ede617f6cebd01c48d3a2bb17.
Revert "Revert "Aufg4 Graphics - Shift tests""

This reverts commit 54b64b671bf6d40feac86c0fb04aeda0e867a760.