**First Start** (Starting DB Containers, Once)
`./run_tests.sh start`
**After Changes in init-mysql.sql or init-postgres.sql** (i.e. modificated test data)
`./run_tests.sh reset`
**Test Run** (Do the tests, Repeatedly)
`./run_tests.sh test`
**STOP** (at the end, after all testing is finished. Delete Containers and Data)
`./run_tests.sh stop`