public void ToString_Always_ReturnEmptyString()
        {
            // Setup
            var mocks         = new MockRepository();
            var changeHandler = mocks.Stub <IObservablePropertyChangeHandler>();

            mocks.ReplayAll();

            var input      = new TestMacroStabilityInwardsLocationInput();
            var properties = new TestMacroStabilityInwardsLocationProperties(input, changeHandler);

            // Call
            string toString = properties.ToString();

            // Assert
            Assert.AreEqual(string.Empty, toString);
        }