public void Should_ReturnPlaylist_When_CalledGetPlaylistById()
{
//Arrange
Playlist playlist1 = new Playlist(1, "Test vol. 1");
Playlist playlist2 = new Playlist(2, "Test vol. 2");
PlaylistService playlistService = new PlaylistService();
playlistService.AddItem(playlist1);
//Act
var result1 = playlistService.GetPlaylistById(playlist1.Id);
var result2 = playlistService.GetPlaylistById(playlist2.Id);
//Assset
result1.Should().BeOfType(typeof(Playlist));
result1.Should().Be(playlist1);
result2.Should().Be(null);
}
