tests: revert time.sleep

2 jobs for master in 1 minute and 4 seconds (queued for 1 second)
Name Stage Failure
failed
build Test
AssertionError: 'pr/105' not found in ['devel', 'master', 'pr/103', 'pr/104']

----------------------------------------------------------------------
Ran 13 tests in 34.796s

FAILED (failures=1)
Destroying test database for alias 'default'...
Cleaning up file based variables
ERROR: Job failed: exit code 1