fix: Update test to use Blob for file creation in uploadConfiguration test

Author: Smilefounder

packages/config/tests/configuration-services.test.ts

@@ -1,5 +1,6 @@
 import { ApiService } from '@mixcore/api';
 import { ConfigurationServices, ConfigurationUpload } from '../src/configuration-services';
+import { Blob } from 'node:buffer';
 
 describe('ConfigurationServices', () => {
   let api: ApiService;
@@ -19,7 +20,8 @@ describe('ConfigurationServices', () => {
   });
 
   it('should call uploadConfiguration', async () => {
-    const fakeFile = new File(['test'], 'test.txt', { type: 'text/plain' });
+    const fakeFile = new Blob(['test'], { type: 'text/plain' }) as unknown as File;
+    Object.defineProperty(fakeFile, 'name', { value: 'test.txt' });
     globalThis.fetch = jest.fn().mockResolvedValue({ ok: true, json: async () => ({ success: true }) });
     const result = await configServices.uploadConfiguration({ file: fakeFile, folder: 'f', title: 't', description: 'd' });
     expect(result).toEqual({ success: true });