public async Task PreviousPageForCustomPaging()
{
var api = new Mock <IAPIConnector>();
var config = SpotifyClientConfig.CreateDefault("FakeToken").WithAPIConnector(api.Object);
var spotify = new SpotifyClient(config);
var response = new Paging <PlayHistoryItem, SearchResponse>
{
Previous = "https://previous-url"
};
await spotify.PreviousPage(response);
api.Verify(a => a.Get <SearchResponse>(new System.Uri("https://previous-url")), Times.Once);
}