public void ReturnCorrectPlaylistIdFromPlayloistName(string expect, string name)
{
//arragne
var conn = SQliteConnectionHelper.CreateMemoryPlaylistTable();
conn.InsertTestData("insert into playlist values ('1','first')");
conn.InsertTestData("insert into playlist values ('2','second')");
var service = new PlaylistDao(conn);
//assert
var id = service.GetPlaylistIdFromName(name);
Assert.AreEqual(expect, id);
}