Testing Locally:
asdf plugin test <plugin-name> <plugin-url> [--asdf-tool-version <version>] [--asdf-plugin-gitref <git-ref>] [test-command*]
asdf plugin test scalingo-cli https://github.com/brandon-welsch/asdf-scalingo-cli.git "scalingo --help"
Tests are automatically run in GitHub Actions on push and PR.