public void InsertTagContentToOpenCloseTag()
        {
            using (var initialDocument = new DocxDocument(Resources.WithMainContentTag))
            using (var expectedDocument = new DocxDocument(Resources.WithMainContentInserted))
            {
                var content = new[] { new TextBlock("Контент документа") };
                initialDocument.InsertTagContent("MAIN_CONTENT", content);

                Assert.Equal(expectedDocument, initialDocument, new DocxDocumentEqualityComparer());
            }
        }