Fix all test suite setup for booting host

We ran into situation where the previous tests powered on but didn't
boot the host succesfully. To protect this test execution from such
bad state, issue reboot host to re-power on clean.

Resolves  openbmc/openbmc-test-automation#773

Change-Id: I3ae6c6ec3f186d89f856d00813f66efd9c8b51f9
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
3 files changed