Add basic e2e tests for admin panel

e2e/utils/admin.ts

@@ -0,0 +1,24 @@
+import { expect } from '@playwright/test';
+import type { Page } from '@playwright/test';
+import { PLAYWRIGHT_BASE_URL } from '../../playwright/config';
+
+/**
+ * The seeded user that is allowed to access the Filament admin panel.
+ *
+ * Panel access is granted by email address via the `SUPER_ADMINS` config, so
+ * the admin panel tests cannot use the throwaway users created by the default
+ * fixture and rely on the seeded user instead.
+ */
+export const SUPER_ADMIN_EMAIL = 'admin@example.com';
+export const SEEDED_USER_PASSWORD = 'password';
+
+/**
+ * Log in as the seeded super admin user via the regular application login.
+ */
+export async function loginAsSuperAdmin(page: Page): Promise<void> {
+    await page.goto(PLAYWRIGHT_BASE_URL + '/login');
+    await page.getByLabel('Email').fill(SUPER_ADMIN_EMAIL);
+    await page.getByLabel('Password').fill(SEEDED_USER_PASSWORD);
+    await page.getByRole('button', { name: 'Log in' }).click();
+    await expect(page.getByTestId('dashboard_view')).toBeVisible({ timeout: 15000 });
+}