text: 
  var chai = require('chai'); // requires the chai bdd library
  var expect = chai.expect;   // require the expect chai library
  var db = db || {};          // mock database object
  // ^^^ this is namespacing
  
  // describe a set of tests
  describe('How BDD testing should work for newbies', function() {
  
    // callbacks contain tests
    // CCT - callbacks contain tests
    // IT is a test
    it('should have a passing grade in mocha', function() {
      var grade = 8; // 8 out of 10 to pass
      expect(grade).to.be.above(7);
    });
  
  });
  