Execute unit tests first and lint last, since
the lint is las resort anyway and unlikely to fail.

Also use a simple printf instead of a php call.

Change-Id: I7471e4ac0b217e1a58d1324bd24fc7e2f517e17e
Reviewed-on: https://review.typo3.org/27564
Reviewed-by: Wouter Wolters
Reviewed-by: Christian Kuhn
Reviewed-by: Helmut Hummel
Tested-by: Helmut Hummel