public void System_Should_Be_Available_After_Added_To_Game_Manager()
{
var system = new LabelSystem(_channelManager, 10);
_gameManager.AddSystem(system);
Assert.True(_gameManager.Systems.GetBySystemType(system.GetType()) != null);
}
public void System_Should_Not_Be_Available_After_Removed_From_Game_Manager()
{
var system = new LabelSystem(_channelManager, 10);
_gameManager.AddSystem(system);
Assert.True(_gameManager.Systems.GetBySystemType(system.GetType()) != null);
_gameManager.RemoveSystem <LabelSystem>(false);
Assert.True(_gameManager.Systems.GetBySystemType(typeof(LabelSystem)) == null);
}