public void GetPostionValueForObject()
        {
            //Test1
            //arrange
            Employee employee = new Employee {FirstName="Dev", Fruit=Fruit.Orange };
            int expected = 2;

            //act
            int actual = employee.Pos(
                          new Employee { }, new Employee { }, employee
                          );

            //assert

            Assert.AreEqual(expected, actual);
        }