Testing Locally:
asdf plugin test <plugin-name> <plugin-url> [--asdf-tool-version <version>] [--asdf-plugin-gitref <git-ref>] [test-command*]
#
asdf plugin test rf https://github.com/buty4649/asdf-rf.git "rf -v"
Tests are automatically run in GitHub Actions on push and PR.