Rename `test/cask/cli` to `test/cask/cmd`.

Library/Homebrew/test/cask/cmd/audit_spec.rb

Library/Homebrew/test/cask/cmd/cat_spec.rb

Library/Homebrew/test/cask/cmd/create_spec.rb

Library/Homebrew/test/cask/cmd/doctor_spec.rb

Library/Homebrew/test/cask/cmd/edit_spec.rb

Library/Homebrew/test/cask/cmd/fetch_spec.rb

Library/Homebrew/test/cask/cmd/home_spec.rb

Library/Homebrew/test/cask/cmd/info_spec.rb

Library/Homebrew/test/cask/cmd/install_spec.rb

Library/Homebrew/test/cask/cmd/internal_stanza_spec.rb

Library/Homebrew/test/cask/cmd/list_spec.rb

Library/Homebrew/test/cask/cmd/options_spec.rb

Library/Homebrew/test/cask/cmd/outdated_spec.rb

Library/Homebrew/test/cask/cmd/quarantine_spec.rb

Library/Homebrew/test/cask/cmd/reinstall_spec.rb

.../Homebrew/test/cask/cmd/shared_examples/invalid_option.rb

...brew/test/cask/cmd/shared_examples/requires_cask_token.rb

Library/Homebrew/test/cask/cmd/style_spec.rb

Library/Homebrew/test/cask/cmd/uninstall_spec.rb

Library/Homebrew/test/cask/cmd/upgrade_spec.rb