public void GameStartsWhenTwoPlayersAreAdded()
{
var sut = new GameSessionService("asdfgh", _gameplayMock.Object);
_gameplayMock.SetupGet(g => g.PlayerOne).Returns(new Player("Anders", true));
var state = sut.AddPlayer("Anders");
Assert.IsFalse(state.IsReady);
_gameplayMock.SetupGet(g => g.PlayerTwo).Returns(new Player("Edith", false));
_gameplayMock.Setup(g => g.CanStart()).Returns(true);
state = sut.AddPlayer("Edith");
Assert.IsTrue(state.IsReady);
_gameplayMock.Verify(g => g.AddPlayer(It.IsAny <string>()), Times.Exactly(2));
}