@Test
    void verifyAction() throws Throwable {
        val banner = new CasJettyBanner();
        val writer = new StringWriter();
        val out = WriterOutputStream.builder().setWriter(writer).setCharset(StandardCharsets.UTF_8).get();
        val environment = new MockEnvironment();
        try (val stream = new PrintStream(out, true, StandardCharsets.UTF_8)) {
            banner.printBanner(environment, CasJettyBanner.class, stream);
        }
        val output = writer.toString();
        assertNotNull(output);
    }
This is {@link CasJettyBannerTests}.

@author Misagh Moayyed
@since 6.3.0
webapp/cas-server-webapp-jetty/src/test/java/org/apereo/cas/CasJettyBannerTests.java