This is a WordPress plugin, part of a tutorial on Behavior Driven Development for WordPress, from generalchicken.net.
Installation: This plugin has a few requirements. You'll need a WordPress install, and admin / sudo access to the shell. This assumes Git and Composer are installed on the system globally.
Navigate to your WordPress plugin directory. On a Ubuntu system this is: cd /var/www/html/wp-content/plugins
Clone into the Git repository: git clone https://github.com/JohnDeeBDD/WPbdd.git
Move into the directory: cd WPbdd
Install the vendor files: composer install
Run your first test: bin/codecept run unit -vv --html