String getServiceName() {
        return serviceName;
    }
@Test
    public void propertyServiceDnsIsNull() {
        // given
        Map<String, Comparable> properties = createProperties();
        String serviceName = "service-name";
        properties.put(SERVICE_NAME.key(), serviceName);
        properties.put(SERVICE_DNS.key(), null);

        //when
        KubernetesConfig config = new KubernetesConfig(properties);

        //then
        assertEquals(serviceName, config.getServiceName());

    }