Add missing blank lines in test_utils module.
Add missing blank lines in test_utils module.

Patch by: Pawel Solyga
Reviewed by: to-be-reviewed

MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging