@Override
    public void updateSecurityGroup(KubevirtSecurityGroup sg) {
        checkNotNull(sg, ERR_NULL_SG);
        checkArgument(!Strings.isNullOrEmpty(sg.id()), ERR_NULL_SG_ID);

        sgStore.updateSecurityGroup(sg);
    }
@Test(expected = IllegalArgumentException.class)
    public void testUpdateUnregisteredSecurityGroup() {
        target.updateSecurityGroup(sg1);
    }