'Fail if nfs mount options is not nfsv4'

def test_throw_error_if_nfs_mount_options_configured_with_NFSV2(self):

    drv = self.driver
    nfs_v2_opts = self.TEST_NFS_MOUNT_OPTIONS_FAIL_V2
    self.configuration.nfs_mount_options = nfs_v2_opts
    self.assertRaises(exception.NfsException, drv.do_setup, context.RequestContext)
