public void autoConfig() throws JoranException {
        autoConfig(Configurator.class.getClassLoader());
    }
@Test
    public void autoConfigFromServiceLoaderJDK5() throws Exception {
        assumeTrue(isJDK5());
        ClassLoader mockClassLoader = buildMockServiceLoader(this.getClass().getClassLoader());
        assertNull(MockConfigurator.context);
        new ContextInitializer(loggerContext).autoConfig(mockClassLoader);
        assertNull(MockConfigurator.context);
    }