title: How does Mocha execute the 'it' calls? How to execute tests synchronously?
body: <p>Observe the following tests:</p>
  
  <pre><code>describe("Testing i", function(){
  
      var i = 0;
      it('i should be 0', function() {
          expect(i).to.equal(0);
      });
  
      i++;
      it('i should be 1', function() {
          expect(i).to.equal(1);
      });
  
      i= 7;
      it('i should be 7', function() {
          expect(i).to.equal(7);
      });
  });
  </code></pre>
  
  <p>The first two tests fail. But I have no idea why! What am I doing wrong?</p>
  
  <p>The test shows the following:</p>
  
  <p><a href="https://i.stack.imgur.com/nXNIg.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/nXNIg.png" alt="NPM test result using Mocha"></a></p>
  
  <p>I'm porting QUnit to Mocha and I'm looking where the asserts should go.<br/> 
  In QUnit you have Module -> Test -> Asserts. <br/>
  Is it here Describe -> Describe -> It's?<br/></p>