@Test
    void verifyHttp11ProtocolProxy() {
        val casProperties = new CasConfigurationProperties();
        casProperties.getServer().getTomcat().getHttpProxy().setEnabled(true).setProtocol("HTTP/1.1");
        val customizer = new CasTomcatServletWebServerFactoryCustomizer(serverProperties, casProperties);
        val factory = execCustomize(customizer);
        factory.getTomcatConnectorCustomizers().forEach(c ->
            assertDoesNotThrow(() -> c.customize(new Connector())));
    }
This is {@link CasTomcatServletWebServerFactoryCustomizerTests}.

@author Misagh Moayyed
@since 6.3.0
webapp/cas-server-webapp-init-tomcat/src/test/java/org/apereo/cas/tomcat/CasTomcatServletWebServerFactoryCustomizerTests.java