public void OpenXMLGetFilesFromFolder()
        {
            var fileSystemConnector = new FileSystemConnector(
                    String.Format(@"{0}\..\..\Resources",
                    AppDomain.CurrentDomain.BaseDirectory),
                    "Templates");

            var openXMLConnector = new OpenXMLConnector(packageFileName,
                fileSystemConnector,
                "OfficeDevPnP Automated Test");

            SaveFileInPackage(fileSystemConnector.Parameters[FileConnectorBase.CONNECTIONSTRING] + @"\garagelogo.png", "Images", openXMLConnector);
            SaveFileInPackage(fileSystemConnector.Parameters[FileConnectorBase.CONNECTIONSTRING] + @"\garagelogo.png", "Images\\Test", openXMLConnector);
            SaveFileInPackage(fileSystemConnector.Parameters[FileConnectorBase.CONNECTIONSTRING] + @"\garagebg.jpg", "Images/Test", openXMLConnector);

            if (openXMLConnector is ICommitableFileConnector)
            {
                ((ICommitableFileConnector)openXMLConnector).Commit();
            }

            openXMLConnector = new OpenXMLConnector(packageFileName,
                fileSystemConnector,
                "OfficeDevPnP Automated Test");

            var folders = openXMLConnector.GetFolders();
            Assert.IsTrue(folders.Count > 0);
            Assert.IsTrue(folders.Exists(s => string.Equals(s, "Images", StringComparison.OrdinalIgnoreCase)));
            var files = openXMLConnector.GetFiles("Images");
            Assert.IsTrue(files.Count > 0);

            files = openXMLConnector.GetFiles("Images\\Test");
            Assert.IsTrue(files.Count == 2);

            files = openXMLConnector.GetFiles("Images/Test");
            Assert.IsTrue(files.Count == 2);
        }