public void AppendVariable_ValidVariableName_AppendsRenderValueOrKeyAsString()
        {
            const string variableName = "key";
            var classBuilder = new CodeDomClassBuilder();
            classBuilder.AppendVariable(variableName);

            string result = classBuilder.Build(ClassName);

            Assert.That(result, Is.StringContaining("textWriter.Write(RenderValueOrKeyAsString(\"" + variableName + "\"));"));
        }