fix(py3): Fix test_eventstream tests (#20850)
fix(py3): Fix test_eventstream tests (#20850)

Only problem here was that we were comparing the string representation of `project.id` to the
encoded byte representation of `project.id`. The correct thing to compare is bytes, since that's
what we pass as the key to the producer.
beeftornado/sentry,beeftornado/sentry,beeftornado/sentry