Method 'wait_for_status' in OpenStack CLI test_server.py suggests that
we might have to wait a little bit longer after server reaches expected
status. Better wait than break.
Change-Id: I4aaa3091ac2e458aa527b6bd0164d65d46c85017 Signed-off-by: Carlos Goncalves <carlos.goncalves@neclab.eu>
(cherry picked from commit 5d2b686e203842c57dae5bf593670dab637751f4)