fix(tests): proper dummy transport clean up for hub cloning#2957

solnic merged 5 commits into

mastergetsentry/sentry-ruby:masterfrom

2951-testhelper-setup_sentry_test-ineffective-in-request-specs-due-to-clone_hub_to_current_thread-overwriting-thread-local-hubgetsentry/sentry-ruby:2951-testhelper-setup_sentry_test-ineffective-in-request-specs-due-to-clone_hub_to_current_thread-overwriting-thread-local-hubCopy head branch name to clipboard