public string DeleteFeature(int featureID)
        {
            string errorMessage = string.Empty;

            FeatureManager.FeatureDelete(featureID, out errorMessage);

            return(errorMessage);
        }
        public void FeatureDelete_ReturnString(int id, bool expected)
        {
            int    featureID     = id;
            string errorMessage  = string.Empty;
            bool   isEmptyString = true;

            FeatureManager.FeatureDelete(featureID, out errorMessage, true);
            isEmptyString = string.IsNullOrEmpty(errorMessage);

            Assert.IsTrue(isEmptyString == expected);
        }