public async Task GetNoFontTest() { Episode episode = TestSample.Get <Episode>(); _files.Setup(x => x.GetExtraDirectory(It.IsAny <Episode>())) .ReturnsAsync("/path"); _files.Setup(x => x.ListFiles(It.IsAny <string>(), System.IO.SearchOption.TopDirectoryOnly)) .ReturnsAsync(new[] { "font.ttf", "font.TTF", "toto.ttf" }); Font font = await _transcoder.GetFont(episode, "toto.ttf"); Assert.Null(font); }