message: Fixes test check for isWebGL
diff: function isWebGLSupported(fn)
  {
  - return PIXI.utils.isWebGLSupported() ? fn : function () {}; // eslint-disable-line no-empty-function
  + return PIXI.utils.isWebGLSupported() ? fn : undefined;
  }
  -describe('PIXI.WebGLRenderer', isWebGLSupported(function ()
  +describe('PIXI.WebGLRenderer', function ()
  {
  - it('setting option legacy should disable VAOs and set minimum SPRITE_MAX_TEXTURES to 1', function ()
  + it('setting option legacy should disable VAOs and SPRITE_MAX_TEXTURES', isWebGLSupported(function ()
  {
  const renderer = new PIXI.WebGLRenderer(1, 1, { legacy: true });
  @@ -15,5 +15,5 @@ describe('PIXI.WebGLRenderer', isWebGLSupported(function ()
  expect(renderer.plugins.sprite.MAX_TEXTURES).to.equal(1);
  renderer.destroy();
  - });
  }));
  +});
  