@Before public void setup() { CookieLocaleResolver localeResolver = new CookieLocaleResolver(); localeResolver.setCookieDomain("domain"); localeResolver.setCookieHttpOnly(true); this.mockMvc = standaloneSetup(new SimpleController()) .addInterceptors(new LocaleChangeInterceptor()) .setLocaleResolver(localeResolver) .defaultRequest(get("/").param("locale", "en_US")) .alwaysExpect(status().isOk()) .build(); }