Increase timeout of waiting the service in check_ceph_status()

Two minutes is not enough for starting ceph service during our
destructive tests, especially in case of some failures.

Change-Id: I892cf7596584ef829475fd6583e869a5109bc1d6
Related-Bug: #1318638
(cherry picked from commit a9fa649b5ea7dec0b6eb7e6b55576e79b652ae40)
Merge "Increase timeout of waiting the service in check_ceph_status()" into stable/5.1