Martin André 056e02d0d3 Simplify wait_for calls
Rely on the the `check_for_*` functions and remove redundant
`fail_unless_*` calls.

Also change `wait_for` to exit when it is missing a required argument.

Change-Id: I90c4545691d53185556e2838303ac3df0afaf9fa
2015-04-01 16:41:52 +09:00
..
2015-04-01 16:41:52 +09:00