wac.refresh();
wac.getServletContext().setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
CommonsMultipartResolver resolver = new CommonsMultipartResolver(wac.getServletContext());
assertTrue(resolver.getFileItemFactory().getRepository().getAbsolutePath().endsWith("mytemp"));
MockFilterConfig filterConfig = new MockFilterConfig(wac.getServletContext(), "filter");
filterConfig.addInitParameter("class", "notWritable");
filterConfig.addInitParameter("unknownParam", "someValue");
final MultipartFilter filter = new MultipartFilter();
filter.init(filterConfig);
final List<MultipartFile> files = new ArrayList<MultipartFile>();
final FilterChain filterChain = new FilterChain() {