public void TestGetSingleEntityWithAll_TryToGetSingleEntity_ReturnsThatEntity()
{
for (int i = 0; i < 2; ++i)
{
mWorldContext.CreateEntity("JunkEntity");
}
IEntity expectedEntity = mWorldContext.GetEntityById(mWorldContext.CreateEntity());
expectedEntity.AddComponent <TTestComponent>();
IEntity actualEntity = mWorldContext.GetSingleEntityWithAll(typeof(TTestComponent));
Assert.AreSame(expectedEntity, actualEntity);
}