/**
 * New node file
 */

var assert = require('chai').assert;
describe('Array', function() {
  describe('#indexOf()', function () {
    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));
    	assert.equal(200, 400);
    });
  });
});

/**
 * New node file
 */

var assert = require('chai').assert;
describe('Array', function() {
  describe('#indexOf()', function () {
    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));
    	assert.equal(200, 200);
    });
  });
});

update test case