feat(issueless events): Test eventstream work without groups (#13888)
feat(issueless events): Test eventstream work without groups (#13888)

Adds a test for eventstream without issue.
mvaled/sentry,beeftornado/sentry,mvaled/sentry,beeftornado/sentry,mvaled/sentry,mvaled/sentry,mvaled/sentry,beeftornado/sentry,mvaled/sentry