Add script to test order dependant go tests (#24902)
Add script to test order dependant go tests (#24902)

* Add script to test order dependant go tests

Fixes https://github.com/istio/istio/issues/24824

This is not intended to be run in CI (because its super slow), just
locally. If we don't want it checked in I can just keep it in my local
scripts folder

* Fix no tests

* Add copyright
istio/istio,istio/istio,istio/istio,istio/istio,istio/istio