https://review.openstack.org/468288 added some unit tests for the
UEFI iSCSI boot for ILO, which fail when proliantutils is installed
in the virtualenv (it was not in the gate).
The reason for this is that they do not pass a value to the constructor
of ilo_error.IloError and ilo_error.IloCommandNotSupportedInBiosError,
which makes the unit tests fail, as seen when the package was built
in RDO [1].
This patch adds the required value, as used by other unit tests.
[1] - 7371477064_0520bb51
Change-Id: I50d919047ddb9edf1a1ae1a994a8f71e420718d9
98570dc6ad