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

@author Misagh Moayyed
@since 5.3.0
webapp/cas-server-webapp-tomcat/src/test/java/org/apereo/cas/CasTomcatBannerTests.java