public void LogTest(string content)
        {
            string path = Path.GetTempPath() + "\\log.txt";
            var    file = File.Create(path);

            file.Close();
            var mockIO = new Mock <SystemWrapper.IO.IFileWrap>();

            mockIO.Setup(x => x.Open(It.IsNotNull <string>(), FileMode.Open));//.Returns(mockIO.Object.Open(It.IsNotNull<string>(), FileMode.Open));
            dangNhapBUS.Log("", path);

            File.Delete(path);
        }