Add a note about tests to the README
Add a note about tests to the README

zer4tul/dotfiles,cclay/tpm,zer4tul/dotfiles,bruno-/tpm,shaunstanislaus/tpm,joshuarubin/dotfiles,joshuarubin/dotfiles,joshuarubin/dotfiles,dxq-git/tpm,chilicuil/tundle,larrylv/tpm,tmux-plugins/tpm,GeoffMaciolek/tpm,joshuarubin/dotfiles