public void TestCaculateDistance(string testData)
        {
            //Assign
            var xDoc      = XDocument.Load(testData);
            var testCases = xDoc.Root.Elements("Case")
                            .Select(p => new
            {
                Models = p.Elements("MeasureModel").Select(model => new MeasureViewModel()
                {
                    Row1    = model.Element("Row1").Value,
                    Col1    = model.Element("Col1").Value,
                    Row2    = model.Element("Row2").Value,
                    Col2    = model.Element("Col2").Value,
                    GeoType = (MeasureType)Enum.Parse(typeof(MeasureType), model.Element("GeoType").Value),
                }).ToList(),
                ExpectedValue = p.Element("Expected").Value
            }).ToList();

            foreach (var testCase in testCases)
            {
                var f1 = translateToDoubleValue(testCase.Models[0]);
                var f2 = translateToDoubleValue(testCase.Models[1]);

                //Act
                var result = DistanceHelper.CaculateDistance(f1, f2);

                //Assert
                Assert.Equal(testCase.ExpectedValue, result.Distance.ToString());
            }
        }