test: add applications settings tests

packages/e2e-tests/fixtures/admin/application-auth-clients-page.js

@@ -0,0 +1,40 @@
+import { expect } from '@playwright/test';
+
+const { AuthenticatedPage } = require('../authenticated-page');
+
+export class AdminApplicationAuthClientsPage extends AuthenticatedPage {
+  /**
+   * @param {import('@playwright/test').Page} page
+   */
+  constructor(page) {
+    super(page);
+
+    this.authClientsTab = this.page.getByText('AUTH CLIENTS');
+    this.saveButton = this.page.getByTestId('submitButton');
+    this.successSnackbar = this.page.getByTestId('snackbar-save-admin-apps-settings-success');
+    this.createFirstAuthClientButton = this.page.getByTestId('no-results');
+    this.createAuthClientButton = this.page.getByTestId('create-auth-client-button');
+    this.submitAuthClientFormButton = this.page.getByTestId('submit-auth-client-form');
+    this.authClientEntry = this.page.getByTestId('auth-client');
+  }
+
+  async openAuthClientsTab() {
+    this.authClientsTab.click();
+  }
+
+  async openFirstAuthClientCreateForm() {
+    this.createFirstAuthClientButton.click();
+  }
+
+  async openAuthClientCreateForm() {
+    this.createAuthClientButton.click();
+  }
+
+  async submitAuthClientForm() {
+    this.submitAuthClientFormButton.click();
+  }
+
+  async authClientShouldBeVisible(authClientName) {
+    await expect(this.authClientEntry.filter({ hasText: authClientName })).toBeVisible();
+  }
+}