public void populateModel(HashMap<String, Object> model) {
        model.put("matchers", matcher());
        model.put("email", email);
        model.put("emailMe", emailMe);
        model.put("notificationFilters", notificationFilters);
    }
@Test
    void shouldPopulateEmptyListWhenMatcherDoesNotInitialized() {
        user = new User("UserName", new String[]{""}, "user@mail.com", true);
        HashMap<String, Object> data = new HashMap<>();
        user.populateModel(data);
        Object value = data.get("matchers");
        assertThat(value).isEqualTo(new Matcher(""));
    }