Fix issues in SetBiosAttributeCurrentValue in UT
Fix issues in SetBiosAttributeCurrentValue in UT

Fixed some uninitialized variables and assigned
a more appropriate value to transferFlag in
in SetBiosAttributeCurrentValue in UT

Signed-off-by: John Wang <f94ba6c7f9f751e26d9bd16a9d1e9a602cdeac6b@inspur.com>
Change-Id: Id953b2d02ee4a179f7fb91263c9d4716ed847403

openbmc/pldm,openbmc/pldm,openbmc/pldm