### Question:
AppUtils { public void setCurrentPage(final Model model, final String currentPage) { model.addAttribute(CURRENT_PAGE_MODEL_PROPERTY, currentPage); }  List<String> getModelErrors(final BindingResult bindingResult, final String... excludedFields); void setCurrentPage(final Model model, final String currentPage); @SuppressWarnings("unchecked") void addNotification(final RedirectAttributes redirectAttributes, final Notification notification); List<String> getUnexpectedErrorMessageAsList(); String getUnexpectedErrorMessage(); List<String> getMessages(final String... messageKeys); String getMessage(final String messageKey); String getReturnUrl(final String url, final String fallback); String getLocalUrl(final HttpServletRequest request);  }### Answer:
@Test public void test_setCurrentPage_success() { appUtils.setCurrentPage(model, "test page"); verify(model).addAttribute(CURRENT_PAGE_MODEL_PROPERTY, "test page"); }