    @Test
    public void selectManagementNetworkWhiteAndBlackOnlyTest() {


        assertNotNull(helper.selectManagementNetworkWhiteAndBlackOnly(computerWhite));
        assertEquals(IP_WHITE, helper.selectManagementNetworkWhiteAndBlackOnly(computerWhite).getIPAddress());

        assertNull(helper.selectManagementNetworkWhiteAndBlackOnly(computerDefault));
        
        assertNull(helper.selectManagementNetworkWhiteAndBlackOnly(computerBlack));

        assertNotNull(helper.selectManagementNetworkWhiteAndBlackOnly(computerDefaultWhite));
        assertEquals(IP_WHITE, helper.selectManagementNetworkWhiteAndBlackOnly(computerDefaultWhite).getIPAddress());

        assertNull(helper.selectManagementNetworkWhiteAndBlackOnly(computerDefaultBlack));
        
        assertNotNull(helper.selectManagementNetworkWhiteAndBlackOnly(computerBlackWhite));
        assertEquals(IP_WHITE, helper.selectManagementNetworkWhiteAndBlackOnly(computerBlackWhite).getIPAddress());

        assertNotNull(helper.selectManagementNetworkWhiteAndBlackOnly(computerDefaultBlackWhite));
        assertEquals(IP_WHITE, helper.selectManagementNetworkWhiteAndBlackOnly(computerDefaultBlackWhite).getIPAddress());
    }