@Test
    void verifyServiceCreationNoService() {
        val request = new MockHttpServletRequest();
        request.addParameter(CasProtocolConstants.PARAMETER_TICKET, "ticket");
        val service = serviceFactory.createService(request);
        assertNull(service);
    }
Test cases for {@link WebApplicationServiceFactory}.

@author Misagh Moayyed
@since 4.2
core/cas-server-core-services/src/test/java/org/apereo/cas/authentication/principal/WebApplicationServiceFactoryTests.java