Fix boot device use case test code
Fix boot device use case test code

Change-Id: I04be5df0c27070e200dc1559752b415d4398f838
Signed-off-by: George Keishing <bef0a9ecac45fb57611777c8270153994e13fd2e@in.ibm.com>

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