update documentation typo and align test

Author: tando-nxiweni

library/src/main/java/com/digicert/validation/exceptions/ValidationException.java

@@ -47,7 +47,7 @@ public ValidationException(Set<DcvError> errors) {
      *
      * @param dcvErrors the set of DCV errors
      * @param cause  the cause of the exception
-     * @param dnssecDetails dnssecDetails the DNSSEC details associated with this exception
+     * @param dnssecDetails the DNSSEC details associated with this exception
      */
     public ValidationException(Set<DcvError> dcvErrors, Throwable cause, DnssecDetails dnssecDetails) {
         super(dcvErrors, cause, dnssecDetails);

library/src/main/java/com/digicert/validation/methods/dns/DnsValidator.java

@@ -139,8 +139,7 @@ public DomainValidationEvidence validate(DnsValidationRequest dnsValidationReque
                     dnsValidationResponse.errors());
 
             DnssecDetails dnssecDetails = null;
-            if (dnsValidationResponse.errors().contains(DcvError.DNS_LOOKUP_DNSSEC_FAILURE)
-                    && dnsValidationResponse.mpicDetails() != null) {
+            if (dnsValidationResponse.mpicDetails() != null && dnsValidationResponse.mpicDetails().dnssecDetails() != null) {
                 dnssecDetails = dnsValidationResponse.mpicDetails().dnssecDetails();
             }
             if (dnssecDetails != null) {

library/src/test/java/com/digicert/validation/methods/dns/DnsValidatorTest.java

@@ -207,23 +207,29 @@ void testDnsValidator_prepare_InvalidDnsPreparation(String domain, DnsType dnsTy
 
     @Test
     void testDnsValidator_validate_dnssec_dnskey_missing() {
-        MpicDetails getMpicDetails = new MpicDetails(true,
+        DnssecDetails expectedDnssecDetails = new DnssecDetails(DnssecStatus.INSECURE, DnssecError.DNSKEY_MISSING, null, "no SEP matching the DS found");
+        MpicDetails mpicDetails = new MpicDetails(true,
                 "primary-agent",
                 3,
                 3,
-                new DnssecDetails(DnssecStatus.INSECURE, DnssecError.DNSKEY_MISSING, null, "no SEP matching the DS found"),
+                expectedDnssecDetails,
                 Map.of("secondary-agent-id", true), null);
-        DnsValidationResponse dnsValidationResponse = new DnsValidationResponse(false, getMpicDetails, domain, domain,
+        DnsValidationResponse dnsValidationResponse = new DnsValidationResponse(false, mpicDetails, domain, domain,
                 dnsType, randomValue, null, Set.of(DcvError.DNS_LOOKUP_DNSSEC_FAILURE));
 
         when(dnsValidationHandler.validate(any(DnsValidationRequest.class))).thenReturn(dnsValidationResponse);
 
         ValidationException exception = assertThrows(ValidationException.class, () -> dnsValidator.validate(dnsValidationRequest));
 
-        assertEquals(1, exception.getErrors().size(), "Expected exactly one error ");
+        assertEquals(1, exception.getErrors().size(), "Expected exactly one error");
         assertTrue(exception.getErrors().contains(DcvError.DNS_LOOKUP_DNSSEC_FAILURE), "expected: " + DcvError.DNS_LOOKUP_DNSSEC_FAILURE + " but got: " + exception.getErrors());
+        assertNotNull(exception.getDnssecDetails(), "DNSSEC details should be present in the exception");
+        assertEquals(expectedDnssecDetails, exception.getDnssecDetails(), "DNSSEC details should match the response");
+        assertEquals(DnssecStatus.INSECURE, exception.getDnssecDetails().dnssecStatus());
+        assertEquals(DnssecError.DNSKEY_MISSING, exception.getDnssecDetails().dnssecError());
     }
 
+
     private static MpicDetails getMpicDetails() {
         return new MpicDetails(true,
                 "primary-agent",