Code spell fix in test documentation
Code spell fix in test documentation

Change-Id: I60daa783166de4c8a01c25fd56da61ab0c37daa9
Signed-off-by: George Keishing <bef0a9ecac45fb57611777c8270153994e13fd2e@in.ibm.com>

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