text: var assert = require('assert');
  
  describe('Array', function(){
      beforeEach(function(){
          this.ary = [1,2,3];
      });
      describe('#indexOf()', function(){
          it('should return -1 when the value is not present', function(){
              var zero = 0, two = 2;
              assert(this.ary.indexOf(zero) === two);
          });
          it('should return index when the value is present', function(){
              var minusOne = -1, two = 2;
              assert.ok(this.ary.indexOf(two) === minusOne, 'THIS IS AN ASSERTION MESSAGE');
          });
      });
  });
  