janitorial: fix pep8 glitch

Fixes this pep8 error:

./tests/functional/utils.py:245:25: W292 no newline at end of file

Change-Id: Ifa6007347f1b778dc5b8748b7ee09baf1cf5808b
Signed-off-by: Francesco Romani <fromani@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/36005
Reviewed-by: Dan Kenigsberg <danken@redhat.com>