cmd/completion: add in testing containers and helper script
General MR
Summary
To be able to accurately test completions in a controlled environment for various shells, I created some testing containers with Docker and a helper script to help bootstrap these environments.
Relevant logs/screenshots
danieldides@BPH-MAC14 ~/P/b/p/b/s/completion-tests (dd/completion-container-testing)> ./test-shell.sh -s zsh
[+] Building 1.1s (10/10) FINISHED docker:desktop-linux
=> [internal] load build definition from zsh.Dockerfile 0.0s
=> => transferring dockerfile: 1.19kB 0.0s
...
ffb7b35b8a93#
Linked Issue
Part of #51 (closed)
Depends on !62 (merged)
Upgrade Notices
N/A