fix the dang integration tests

src/tests/integration/user.integration.test.ts

@@ -1,9 +1,8 @@
 // src/tests/integration/user.integration.test.ts
-import { describe, it, expect, beforeAll, afterAll } from 'vitest';
+import { describe, it, expect, beforeAll, afterAll, vi } from 'vitest';
 import supertest from 'supertest';
 import path from 'path';
 import fs from 'node:fs/promises';
-import app from '../../../server';
 import { logger } from '../../services/logger.server';
 import { getPool } from '../../services/db/connection.db';
 import type { UserProfile, MasterGroceryItem, ShoppingList } from '../../types';
@@ -15,9 +14,8 @@ import { cleanupFiles } from '../utils/cleanupFiles';
  * @vitest-environment node
  */
 
-const request = supertest(app);
-
 describe('User API Routes Integration Tests', () => {
+  let request: ReturnType<typeof supertest>;
   let testUser: UserProfile;
   let authToken: string;
   const createdUserIds: string[] = [];
@@ -25,6 +23,10 @@ describe('User API Routes Integration Tests', () => {
   // Before any tests run, create a new user and log them in.
   // The token will be used for all subsequent API calls in this test suite.
   beforeAll(async () => {
+    vi.stubEnv('FRONTEND_URL', 'https://example.com');
+    const app = (await import('../../../server')).default;
+    request = supertest(app);
+
     const email = `user-test-${Date.now()}@example.com`;
     const { user, token } = await createAndLoginUser({ email, fullName: 'Test User', request });
     testUser = user;
@@ -35,6 +37,7 @@ describe('User API Routes Integration Tests', () => {
   // After all tests, clean up by deleting the created user.
   // This now cleans up ALL users created by this test suite to prevent pollution.
   afterAll(async () => {
+    vi.unstubAllEnvs();
     await cleanupDb({ userIds: createdUserIds });
 
     // Safeguard to clean up any avatar files created during tests.