Fixing restart tests

* Remove rax specific tests
* Fix delete test grouping
* Fix the mess up mysql logic
* Fix ovz command if CONF.use_local_ovz
* Fix logic in Checker that was masking errors in tests

Fixes: Bug #1204233

Change-Id: I6ac8abb47d4cff0ae20432f059686e4f1dd55a7e
Merge "Fixing restart tests"