public void ReturnAllPlaylistNamesReturnCorrect()
{
//Arrange
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);
//act
var playlistNames = service.NameOfAllPlaylists();
//assert
Assert.AreEqual("first", playlistNames[0]);
Assert.AreEqual("second", playlistNames[1]);
}