Help me write my first automated php unit test using phpunit, phpspec, gulp and Visual Studio Code

O/S. MAC IDE. Visual Studio Code phpunit, phpspec, composer, gulp Tasks include following: 1. Set up php dev environment in my MAC book 2. Set up PhpUnit and PHPSpec (same or different projects) 2. help me write my first phpunit test and phpspec test with a very simple application. The test must be automated on every save using gulp. I need a workflow like this [login to view URL]