refactor: 💡 one acceptance test in scopes-test.js (#1406)

✅ Closes: ICU-6624

ui/admin/tests/acceptance/scopes-test.js

@@ -1,5 +1,5 @@
 import { module, test } from 'qunit';
-import { visit, currentURL, find, click, fillIn } from '@ember/test-helpers';
+import { visit, currentURL, click, fillIn } from '@ember/test-helpers';
 import { setupApplicationTest } from 'ember-qunit';
 import setupMirage from 'ember-cli-mirage/test-support/setup-mirage';
 import a11yAudit from 'ember-a11y-testing/test-support/audit';
@@ -191,13 +191,7 @@ module('Acceptance | scopes', function (hooks) {
     });
     await visit(urls.newOrgScope);
     await click('[type="submit"]');
-    assert.ok(
-      find('[role="alert"]').textContent.trim(),
-      'The request was invalid.'
-    );
-    assert.ok(
-      find('.rose-form-error-message').textContent.trim(),
-      'Name is required.'
-    );
+    assert.dom('.rose-notification-body').hasText('The request was invalid.');
+    assert.dom('.rose-form-error-message').hasText('Name is required.');
   });
 });