@Test
    public void testMissingCasUrls() {
        val casClient = new CasClient();
        casClient.setCallbackUrl(CALLBACK_URL);
        TestsHelper.initShouldFail(casClient.getConfiguration(), "loginUrl, prefixUrl and restUrl cannot be all blank");
    }
This class tests the {@link CasClient} class.

@author Jerome Leleu
@since 1.4.0
pac4j-cas/src/test/java/org/pac4j/cas/client/CasClientTests.java