public void SetAndCheckChange_SameCoords__ReturnsFalse()
        {
            PositionChangeChecker testObj = new PositionChangeChecker();

            testObj.SetAndCheckChange(100, 100).ShouldBeTrue();
            testObj.SetAndCheckChange(100, 100).ShouldBeFalse();
        }
        public void SetAndCheckChange_NewCoordsTwice__ReturnsTrueTwice()
        {
            PositionChangeChecker testObj = new PositionChangeChecker();

            testObj.SetAndCheckChange(100, 100).ShouldBeTrue();
            testObj.SetAndCheckChange(1000, 1000).ShouldBeTrue();
        }