public void Load_ShouldLoadCorrectly(string xml, string expected)
        {
            XmlDocument xmlDoc = new XmlDocument();

            xmlDoc.LoadXml("<appender>\n" +
                           $"      {xml}\n" +
                           "</appender>");

            mSut.Load(xmlDoc.FirstChild);

            Assert.AreEqual(expected, mSut.Value);
        }