Run the following
npm ci
npm test
And you will get
1) [firefox] › bug.spec.js:3:1 › goto should not fail with the "NS_BINDING_ABORTED" error ========
page.goto: NS_BINDING_ABORTED; maybe frame was detached?
=========================== logs ===========================
navigating to "http://localhost:3000/b", waiting until "load"
============================================================
3 | test('goto should not fail with the "NS_BINDING_ABORTED" error', async ({ page }) => {
4 | await page.goto('http://localhost:3000/a');
> 5 | await page.goto('http://localhost:3000/b');
| ^
6 | });
7 |