SuccessChanges

Summary

  1. Updating docker --build-arg test due to docker code change (commit: 7c3edb3) (details)
  2. cleanup imagestreamtag desc (commit: e20d454) (details)
Commit 7c3edb3b6d3487b852f12867e8174837d3c48fef by Corey Daley
Updating docker --build-arg test due to docker code change
Docker changed the error for a non-existent --build-arg to a warning and
changed the text of the message slightly, breaking one of our tests.
Docker change:
https://github.com/moby/moby/commit/f150f42009dddb4f9b8d4ceef8763af701b0d0f9
Fixes: #16197
(commit: 7c3edb3)
The file was modifiedtest/extended/builds/start.go (diff)
The file was modifiedpkg/oc/cli/describe/helpers_test.go (diff)
The file was modifiedpkg/oc/cli/describe/helpers.go (diff)