@Test
void testGetPart() throws Exception {

    DefaultWebApplication application = new DefaultWebApplication();
    DefaultWebApplicationRequest request = new DefaultWebApplicationRequest();
    request.setContentType("multipart/form-data");
    request.setMethod("POST");
    ApacheMultiPartManager manager = new ApacheMultiPartManager();
    assertNull(manager.getPart(application, request, "part_test"));
}