track visits in JSTracker UI test to separate site so it does not affect most other tests screenshots #17412

Description:

As title, should stop some random failures in the future.

Review

• [ ] Functional review done
• [ ] Potential edge cases thought about (behavior of the code with strange input, with strange internal state or possible interactions with other Matomo subsystems)
• [ ] Usability review done (is anything maybe unclear or think about anything that would cause people to reach out to support)
• [ ] Security review done see checklist
• [ ] Code review done
• [ ] Tests were added if useful/possible
• [ ] Reviewed for breaking changes
• [ ] Developer changelog updated if needed
• [ ] Documentation added if needed
• [ ] Existing documentation updated if needed

@diosmosis the test is failing. Seems the site that's used now actually doesn't exist

Noticed the UI test uses a custom fixture, so this wouldn't affect the other tests... Not sure why the others change when the order changes, then. Closing this one.