Added a testcase to verify service password modification
Added a testcase to verify service password modification

      Verify Modifying Service User Password

Change-Id: I915809e147d9cfe6b5c37865bd31601df5c72b74
Signed-off-by: manashsarma <bc095463df3ac81e71d6b05cdcfc30e87ec3c38e@in.ibm.com>

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