Add 30 seconds delay before powering off
Add 30 seconds delay before powering off

Change-Id: I81d9d0b6788352f6852fca4cfe12853f760f8adc
Signed-off-by: George Keishing <bef0a9ecac45fb57611777c8270153994e13fd2e@in.ibm.com>

openbmc/openbmc-test-automation,openbmc/openbmc-test-automation