add creation of question to basic tutor

reorganise tests
make use of gatlings session object to add questions for newly created (arsnova-)sessions
3 jobs for aBetterSimulationForABetterTomorrow in 2 minutes and 55 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Test
passed #33198
sbt
stylecheck

00:01:59

passed #33199
sbt
test

00:02:30

 
  Synchronization
passed #33200
allowed to fail
sync_mirror

00:00:25