@Test
    void verifyUnauthzOperation() throws Throwable {
        val request = new MockHttpServletRequest();
        val response = new MockHttpServletResponse();
        val result = introspectionEndpoint.handleRequest(request, response);
        assertEquals(HttpStatus.UNAUTHORIZED, result.getStatusCode());
    }
This is {@link OAuth20IntrospectionEndpointControllerTests}.

@author Misagh Moayyed
@since 6.1.0
support/cas-server-support-oauth/src/test/java/org/apereo/cas/support/oauth/web/endpoints/OAuth20IntrospectionEndpointControllerTests.java