describe('Utils', function () {
'use strict';
var expect = chai.expect;
it('requestAnimationFrame exists', function () {
expect(global).to.respondTo('requestAnimationFrame');
});
it('cancelAnimationFrame exists', function () {
expect(global).to.respondTo('cancelAnimationFrame');
});
it('requestAnimFrame exists', function () {
expect(global).to.respondTo('requestAnimFrame');
});
});