@Test
public void testValidateCertRequestHostnamesInvalidCount() {

    HashMap<String, String> attributes = new HashMap<>();
    attributes.put("sanDNS", "service.athenz.athenz.cloud,service2.athenz.athenz.cloud,service3.athenz.athenz.cloud");
    assertFalse(InstanceUtils.validateCertRequestSanDnsNames(attributes, "athenz", "api",  "athenz.cloud", null));
}