public void GetBodyOperationParametersFromHashtableSucceeds()
        {
            // Arrange
            var param1Value = "some arbitrary value";
            var param2Value = 42;

            var svc = new NorthwindEntities(_serviceRoot);

            var input = new Hashtable
            {
                { nameof(BodyOperationTestClass.Param1), param1Value },
                { nameof(BodyOperationTestClass.Param2), param2Value },
                { nameof(BodyOperationTestClass.Field3), BodyOperationTestClass.FIELD3_VALUE }
            };

            // Act
            var result = svc.GetBodyOperationParametersFromHashtable(input);

            // Assert
            Assert.AreEqual(3, result.Count());
            var p1 = result.Single(e => e.Name == nameof(BodyOperationTestClass.Param1));

            Assert.AreEqual(param1Value, p1.Value);
            var p2 = result.Single(e => e.Name == nameof(BodyOperationTestClass.Param2));

            Assert.AreEqual(param2Value, p2.Value);
            var p3 = result.Single(e => e.Name == nameof(BodyOperationTestClass.Field3));

            Assert.AreEqual(BodyOperationTestClass.FIELD3_VALUE, p3.Value);
        }