public void ReturnCorrectMessage_WithCorrectProperties()
        {
            // Arrange
            var stubBow   = new Mock <IBow>();
            var stubKnife = new Mock <IKnife>();
            var hunter    = new Hunter(stubBow.Object, stubKnife.Object);
            var expected  = $"Special Attack: FocusShot, Energy: {hunter.SpecialEnergy}, Agility: {hunter.Agility}";

            // Act & Assert
            Assert.AreEqual(expected, hunter.Additionalinfo());
        }