@Test
    void verifyOperation() throws Throwable {
        System.setProperty("java.vendor.version", "Oracle GraalVM");
        val environment = new MockEnvironment();
        val banner = CasBanner.getInstance();
        try (val out = new ByteArrayOutputStream();
             val printStream = new PrintStream(out, true, StandardCharsets.UTF_8)) {
            banner.printBanner(environment, getClass(), printStream);
            val results = new String(out.toByteArray(), StandardCharsets.UTF_8);
            assertNotNull(results);
        }
    }
This is {@link CasNativeBannerContributorTests}.

@author Misagh Moayyed
@since 7.0.0
support/cas-server-support-native/src/test/java/org/apereo/cas/nativex/CasNativeBannerContributorTests.java