public void DiceCup_ConstructorTakesFiveDice_DiceCupConstructedSuccessfully()
{
// Arrange
var die = _dieMock.Object;
var dice = new List <IDie> {
die, die, die, die, die
};
// Act
var diceCup = new DiceCup(dice);
// Assert
diceCup.Should().NotBeNull();
}