Assorted fixes to e2e-tests.sh (#105)
Assorted fixes to e2e-tests.sh (#105)

* Assorted fixes to e2e-tests.sh

* ignore kubetest teardown failures, which can wrongly report the test as failed
* use gcr.io/build-crd-testing for E2E tests
* authenticate against GCR when running on prow so images can be pushed to the registry

* More assorted fixes to e2e-tests.sh

* fix the SSH check in kubetest when using boskos
* use the project's GCR instead of a single, fixed, shared one (unless specified a different one)

knative/build,knative/build