MockServletContext sc = new MockServletContext();
StaticWebApplicationContext wac = new StaticWebApplicationContext();
wac.setServletContext(sc);
wac.getDefaultListableBeanFactory().registerSingleton("entityManagerFactory", factory);
wac.getDefaultListableBeanFactory().registerSingleton("myEntityManagerFactory", factory2);
wac.refresh();
sc.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
MockFilterConfig filterConfig = new MockFilterConfig(wac.getServletContext(), "filter");
MockFilterConfig filterConfig2 = new MockFilterConfig(wac.getServletContext(), "filter2");
filterConfig2.addInitParameter("entityManagerFactoryBeanName", "myEntityManagerFactory");