text: describe('pixi/textures/BaseTexture', function () {
      'use strict';
  
      var expect = chai.expect;
      var BaseTexture = PIXI.BaseTexture;
  
      it('Module exists', function () {
          expect(BaseTexture).to.be.a('function');
          expect(PIXI).to.have.property('BaseTextureCache').and.to.be.an('object');
          expect(PIXI).to.have.deep.property('texturesToUpdate.length');
          expect(PIXI).to.have.deep.property('texturesToDestroy.length', 0);
      });
  });
  