void it_workes_for_fileinfo()
{
var bin = Path.GetDirectoryName(Assembly.GetExecutingAssembly().CodeBase).Substring(6);
var file = new FileInfo(Path.Combine(bin, "TestAssets\\Koala.jpg"));
file.KibiFileSize().Should().Be("762,53 KiB");
file.KiloFileSize().Should().Be("780,83 kB");
}