<H3>Special Instructions</H3> <p> <p>QED Clinical Data Source actors should run test <strong>XUA_QED_Query</strong> before running this test,    to ensure the 'success' case works first.</p> </p> <H3>Description</H3> <p>This test verifies that a X-Service Provider (QED Clinical Data Source) will not respond to query requests from a X-Service User (QED Clinical Data Consumer) when the assertions indicate that QED Source should not grant access.</p> <H3>Evaluation</H3> <p>Verify that the PDQ Consumer was unsuccessful receiving responses to its queries because    validation of the assertion failed.  The PDQ Consumer has no indication that the query    failed because of the validation failure.</p> <p>On the <strong>Audit Record Repository</strong>, verify: </p> <ul>     <li>An Authentication Failure event was logged by the QED Source for each assertion validation     failure. </li> </ul> 