public void CleanupUnusedImageFiles_UnusedImageIsLocked_NotException()
{
var storage = GetInitialStorageWithCustomHtml("<html><body><div class='bloom-page'><div class='marginBox'></div></body></html>");
var dropmeTemp = MakeSamplePngImage(Path.Combine(_folder.Path, "dropme.png"));
//make it undelete-able
using (Image.FromFile(dropmeTemp.Path))
{
storage.CleanupUnusedImageFiles();
}
}