public void GetMimeFromFileTest()
{
var f = @"D:\_Test\sunamo\win\Helpers\MImeHelper\GetMimeFromFile\Real";
//application/octet-stream>
Assert.AreEqual(string.Empty, MimeHelper.GetMimeFromFile(f + AllExtensions.webp));
//
Assert.AreEqual(string.Empty, MimeHelper.GetMimeFromFile(f + AllExtensions.jpg));
}