Add changes to extended/standby_bmc.robot
Add changes to extended/standby_bmc.robot

This commit adds changes to extended/standby_bmc.robot
to prevent AES fails on Delete Error Logs,Delete All Dumps.

Change-Id: Icd128da8233df7ff5b5412a4189298a3596fcdd4
Signed-off-by: Sunil M <ab037fce319ab21fbe24280a1e11948d510de7bd@us.ibm.com>

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