code: @Test public void jettyConfigurations() throws Exception {
    JettyEmbeddedServletContainerFactory factory=getFactory();
    Configuration[] configurations=new Configuration[4];
    for (int i=0; i < configurations.length; i++) {
      configurations[i]=mock(Configuration.class);
    }
    factory.setConfigurations(Arrays.asList(configurations[0],configurations[1]));
    factory.addConfigurations(configurations[2],configurations[3]);
    this.container=factory.getEmbeddedServletContainer();
    InOrder ordered=inOrder((Object[])configurations);
    for (  Configuration configuration : configurations) {
      ordered.verify(configuration).configure((WebAppContext)anyObject());
    }
  }
  