code: @Test public void create() throws Exception {
    MultipartConfigFactory factory=new MultipartConfigFactory();
    factory.setLocation("loc");
    factory.setMaxFileSize(1);
    factory.setMaxRequestSize(2);
    factory.setFileSizeThreshold(3);
    MultipartConfigElement config=factory.createMultipartConfig();
    assertThat(config.getLocation(),equalTo("loc"));
    assertThat(config.getMaxFileSize(),equalTo(1L));
    assertThat(config.getMaxRequestSize(),equalTo(2L));
    assertThat(config.getFileSizeThreshold(),equalTo(3));
  }
  