@Override
    public Collection<PropertyDefinition> getConfigurationProperties() {
        return PROPERTY_DEFINITIONS;
    }
@Test
    public void checkProperties() {
        HazelcastKubernetesDiscoveryStrategyFactory factory = new HazelcastKubernetesDiscoveryStrategyFactory();
        Collection<PropertyDefinition> propertyDefinitions = factory.getConfigurationProperties();
        assertTrue(propertyDefinitions.contains(KubernetesProperties.SERVICE_DNS));
        assertTrue(propertyDefinitions.contains(KubernetesProperties.SERVICE_PORT));
    }