public void ContainsFile_TestNullFile()
        {
            MediaFile  file  = null;
            MediaAlbum album = new MediaAlbum();

            album.ContainsFile(file);
        }
        public void ContainsFile_TestContainsFile()
        {
            MediaFile file = new MediaFile()
            {
                FileName = "filename", ImagePath = "imagepath"
            };
            MediaAlbum album = new MediaAlbum();

            album.MediaFiles.Add(file);
            Assert.IsTrue(album.ContainsFile(file));
        }