public IEnumerator AddBillboardComponent() { yield return(CreateComponent(x: false, y: true, z: false)); Assert.IsFalse(billboard.GetModel().x, "Wrong model data! x should be false."); Assert.IsTrue(billboard.GetModel().y, "Wrong model data! y should be true."); Assert.IsFalse(billboard.GetModel().z, "Wrong model data! z should be false"); yield return(null); yield return(null); }