The latest version of Armada introduced a separate timeout
value for tests [1], a default value for the timeout is 300,
which is not large enough for Neutron tests.
Also add wait.labels to ensure automatic deletion of test
pods [2].
[1] https://review.openstack.org/#/c/618585/
[2] https://review.openstack.org/#/c/629313/
Change-Id: I86b1f9a8f17c273cf990189b2ffb07d60e3814b9