Fixed Testing and small Refractor (planning#361)

Key length verification test now correctly expects a key length exception to pass. Moved Key legth verification to certificateValidation.py for consistency. Certificate verification test will now test key length from certificateValidation.py

assigned to @Pascal_Osterwinter

mentioned in merge request !10 (merged)

added 1 commit

• 91ca0977 - Black formatting. Added missing parameter.

Compare with previous version

requested review from @Jonas_Groeger

approved this merge request

merged

mentioned in commit 4ef265a7