message: Ensure that AnimatedSprite unit-tests complete
diff: @@ -151,7 +151,7 @@ describe('PIXI.AnimatedSprite', function ()
  before(function ()
  {
  this.sprite = new AnimatedSprite([Texture.EMPTY, Texture.EMPTY, Texture.EMPTY]);
  - this.sprite.animationSpeed = 1;
  + this.sprite.animationSpeed = 0.5;
  this.sprite.loop = false;
  });
  @@ -165,7 +165,6 @@ describe('PIXI.AnimatedSprite', function ()
  {
  const frameIds = [];
  - this.sprite.animationSpeed = 1;
  this.sprite.onComplete = () =>
  {
  expect(frameIds).to.deep.equal([1, 2]);
  @@ -188,7 +187,7 @@ describe('PIXI.AnimatedSprite', function ()
  before(function ()
  {
  this.sprite = new AnimatedSprite([Texture.EMPTY, Texture.EMPTY, Texture.EMPTY]);
  - this.sprite.animationSpeed = 1;
  + this.sprite.animationSpeed = 0.5;
  this.sprite.loop = false;
  });
  @@ -207,7 +206,6 @@ describe('PIXI.AnimatedSprite', function ()
  {
  const targetFrame = 1;
  - this.sprite.animationSpeed = 1;
  this.sprite.onFrameChange = (frame) =>
  {
  expect(frame).to.equal(targetFrame);
  @@ -227,7 +225,6 @@ describe('PIXI.AnimatedSprite', function ()
  this.sprite.gotoAndStop(targetFrame);
  - this.sprite.animationSpeed = 1;
  this.sprite.onFrameChange = () =>
  {
  fired = true;
  @@ -243,7 +240,7 @@ describe('PIXI.AnimatedSprite', function ()
  before(function ()
  {
  this.sprite = new AnimatedSprite([Texture.EMPTY, Texture.WHITE, Texture.EMPTY]);
  - this.sprite.animationSpeed = 1;
  + this.sprite.animationSpeed = 0.5;
  this.sprite.loop = false;
  });
  @@ -263,7 +260,6 @@ describe('PIXI.AnimatedSprite', function ()
  const frameIds = [];
  this.sprite.gotoAndStop(0);
  - this.sprite.animationSpeed = 1;
  this.sprite.onComplete = () =>
  {
  expect(frameIds).to.deep.equal([1, 2]); // from 0 to 2, triggers onFrameChange at 1,2.
  @@ -285,7 +281,7 @@ describe('PIXI.AnimatedSprite', function ()
  const frameIds = [];
  this.sprite.gotoAndStop(2);
  - this.sprite.animationSpeed = -1;
  + this.sprite.animationSpeed = -0.5;
  this.sprite.onComplete = () =>
  {
  expect(frameIds).to.deep.equal([1, 0]); // from 2 to 0, triggers onFrameChange at 1,0.
  @@ -307,7 +303,7 @@ describe('PIXI.AnimatedSprite', function ()
  const frameIds = [];
  this.sprite.gotoAndStop(1);
  - this.sprite.animationSpeed = -1;
  + this.sprite.animationSpeed = -0.5;
  this.sprite.onComplete = () =>
  {
  expect(frameIds).to.deep.equal([0]); // from 1 to 0, triggers onFrameChange at 0.
  