public async Task UpdateIntegrationFormField_shouldCallUpdateService()
        {
            // Arrange
            var updateEntity = new IntegrationFormFieldsUpdateModel
            {
                CaseReference       = "121212",
                IntegrationFormName = "Form_Name"
            };

            _mockUpdateService.Setup(_ => _.UpdateIntegrationFormFields(It.IsAny <IntegrationFormFieldsUpdateModel>()))
            .ReturnsAsync(new writeCaseEformDataResponse(0));

            // Act
            var result = await _caseController.UpdateIntegrationFormFields(updateEntity);


            // Assert
            _mockUpdateService.Verify(_ => _.UpdateIntegrationFormFields(It.IsAny <IntegrationFormFieldsUpdateModel>()), Times.Once);
            Assert.IsType <OkResult>(result);
        }