public void Given_I_Call_FieldExists_Then_The_Correct_Services_Are_Called(FieldNameType fieldNameType)
        {
            //arrange
            var dataModelMock = new Mock <IDatamodel>();

            dataModelMock.As <IDefinitionScope2>();
            dataModelMock.As <IDefinitionScope2>().Setup(d => d.FieldExists(fieldNameType.ToString())).Returns(It.IsAny <bool>());

            _dataModelServiceMock.Setup(d => d.GetDataModel(_connectionModel, It.IsAny <string>(), It.IsAny <string>()))
            .Returns(dataModelMock.Object);

            //act
            _sut.FieldExists(_connectionModel, _instrumentName, _serverParkName, fieldNameType);

            //assert
            _dataModelServiceMock.Verify(d => d.GetDataModel(_connectionModel, _instrumentName, _serverParkName), Times.Once);
        }