Add fail_on_err=0 To Run_IPMI_Standard_Command When Expecting Error
Add fail_on_err=0 To Run_IPMI_Standard_Command When Expecting Error

Add fail_on_err=0 To Run_IPMI_Standard_Command in line 58
in test_get_bios_post_code.robot in order to prevent test case
failure when expecting an error response code

Signed-off-by: Lee Tarlton <a5d98a0731a9b3d9f797434c264420da3ddc0c58@ami.com>
Change-Id: Ie7f21bbe71ffbb7650e17c8a063b121ffdf4e96e

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