'Normal case: ignore_error is a string.'

def test_check_ignore_error_string(self):

    ignore_error = 'SSB=0xB980,0xB902'
    stderr = 'raidcom:    [EX_CMDRJE]    An    order    to    the    control/command    device    was    rejected\nIt    was    rejected    due    to    SKEY=0x05,    ASC=0x26,    ASCQ=0x00,    SSB=0xB980,0xB902    on    Serial#(400003)\nCAUSE    :    The    specified    port    can    not    be    operated.'
    self.assertTrue(vsp_utils.check_ignore_error(ignore_error, stderr))
