@Test
    void requireThatServerCanListenToRandomPort() {
        final JettyTestDriver driver = JettyTestDriver.newInstance(mockRequestHandler());
        assertNotEquals(0, driver.server().getListenPort());
        assertTrue(driver.close());
    }
@author Oyvind Bakksjo
@author Simon Thoresen Hult
@author bjorncs
container-core/src/test/java/com/yahoo/jdisc/http/server/jetty/HttpServerTest.java