text: var assert = require("chai").assert;
  describe('Array', function(){
      describe('#indexOf()', function(){
          beforeEach(function(){
              console.log("before Each");
          });
          afterEach(function(){
              console.log("after Each");
          });
          it('should return -1 when the value is not present', function(){
              assert.equal(-1, [1,2,3].indexOf(5));
              assert.equal(-1, [1,2,3].indexOf(0));
          })
      });
      describe('#assert.ok notOk', function(){
          it('#should ok', function(){
              assert.ok(1);
              assert.notOk(0);
          })
      });
  })