fix: refactor tests (#1066)

## Changes Made

- Refactor/optimise tests
- Reduce flakiness
- Add parallel tests (if there's enough CPU capacity)
- Removed explicit worker count when running parallel tests. Defaults to
50% of CPU capacity.

Might want to consider sharding the test across runners in the future as
our tests grows.

packages/app-tests/e2e/user/delete-account.spec.ts

@@ -0,0 +1,24 @@
+import { expect, test } from '@playwright/test';
+
+import { WEBAPP_BASE_URL } from '@documenso/lib/constants/app';
+import { getUserByEmail } from '@documenso/lib/server-only/user/get-user-by-email';
+import { seedUser } from '@documenso/prisma/seed/users';
+
+import { apiSignin } from '../fixtures/authentication';
+
+test('[USER] delete account', async ({ page }) => {
+  const user = await seedUser();
+
+  await apiSignin({ page, email: user.email, redirectPath: '/settings' });
+
+  await page.getByRole('button', { name: 'Delete Account' }).click();
+  await page.getByLabel('Confirm Email').fill(user.email);
+
+  await expect(page.getByRole('button', { name: 'Confirm Deletion' })).not.toBeDisabled();
+  await page.getByRole('button', { name: 'Confirm Deletion' }).click();
+
+  await page.waitForURL(`${WEBAPP_BASE_URL}/signin`);
+
+  // Verify that the user no longer exists in the database
+  await expect(getUserByEmail({ email: user.email })).rejects.toThrow();
+});