Testf from IP to localhost. Fixed some tests.

tests/login-first-time-password-change-short.spec.ts

@@ -6,7 +6,7 @@ import { test, expect } from '@playwright/test';
 test.describe('I. Core & Authentication', () => {
   test('A. Login - First-Time Password Change (Password too short)', async ({ page }) => {
     // 1. Navigate to the login page.
-    await page.goto('http://192.168.50.234:3000/');
+    await page.goto('http://localhost:3000/');
 
     // Log in as admin to create a new user for testing first-time login
     await page.getByRole('textbox', { name: 'user@gymflow.ai' }).fill('admin@gymflow.ai');