- Default builder and pusher set to embedded Host Builder/Pusher(oci)
- Most tests clear environment
- Environment defaults can be controlled via environment variables
- Tests which require back-compat `git` binary actively check and skip
when running with a cleared environment (both integration and unit).
- Bugfixes for when run in tandem with E2E tests
- Ignores go-created directories in the default home path (testdata)