Also run go mod tidy. This made me notice we are installing the junit
reporter every time even when not needed and keeping it in go.mod
unexpectedly, so this is removed as well.
* Update test framework to use 1.6.0-beta.0
* Go back to copies from env var
* Add more test targets, fix mtls test (new PA added)
* Update to use Istio SHA from go.mod (convert to long SHA)
* Try and remove TAG from prow
* Debug TAG not being set
* Fix paralization issue
* Remove some extra output
* Review comments