public void Test_AddImage_AddsTheSpecifiedImage_WhenTheSpecifiedFileExists()
{
Assert.Equal(0, _documentation.Images.Count);
_template.AddImage(new FileInfo("Documentation" + Path.DirectorySeparatorChar + "image.png"));
Assert.Equal(1, _documentation.Images.Count);
Image png = _documentation.Images.Where(i => i.Name.Equals("image.png")).First();
Assert.Equal("image/png", png.Type);
Assert.Equal(PngAsBase64, png.Content);
}