@Test
    void verifyOperation() {
        val contributor = new Pac4jBannerContributor();
        val builder = new StringBuilder();
        contributor.contribute(new Formatter(builder), new MockEnvironment());
        assertNotNull(builder.toString());
    }
This is {@link Pac4jBannerContributorTests}.

@author Misagh Moayyed
@since 7.1.0
support/cas-server-support-pac4j-webflow/src/test/java/org/apereo/cas/pac4j/Pac4jBannerContributorTests.java