Remove unstable loadingView test and ignore package-lock.json (#2)

* Initial plan

* Remove unstable loadingView test case and exclude package-lock.json

Co-authored-by: z0gSh1u <30524126+z0gSh1u@users.noreply.github.com>

* Update .gitignore

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: z0gSh1u <30524126+z0gSh1u@users.noreply.github.com>
Co-authored-by: ZHUO Xu <zx.cs@qq.com>

Author: Copilot

test/e2e/electron-windows.e2e.test.js

@@ -26,13 +26,6 @@ test.describe('test/e2e/electron-windows.e2e.test.js', () => {
     electronApp = await electron.launch({ args: ['start.js'], cwd: path.join(__dirname, '../..') });
   });
 
-  test('loadingView option is working', async () => {
-    const window = await electronApp.firstWindow();
-
-    expect(await window.title()).toBe('Loading');
-    expect(window.url()).toMatch(/renderer\/loading\.html$/);
-  });
-
   test('new window can be correctly created', async () => {
     await wait();
     const window = await electronApp.firstWindow();