Integration test not working on circle amp-youtube

### Description

On CircleCI, amp-youtube integration tests are not working 100% of time (test/integration/test-video-players.js). Likely caused by some network differences. It has been disabled.

### Reproduction Steps

Run `amp integration`

### Relevant Logs

_No response_

### Browser(s) Affected

_No response_

### OS(s) Affected

_No response_

### Device(s) Affected

_No response_

### AMP Version Affected

_No response_

Start with test/integration/test-video-players.js and run `amp integration` to reproduce the intermittent amp-youtube failure on CircleCI. Investigate the reported network-related behavior and determine what is needed for the test to run reliably, with the test enabled and passing consistently as the completion criterion.

Written by the indexing model from the issue text.