public async Task RemoveFavorites() { var user = fillTestDbHelper.Users.LastOrDefault(opt => !opt.Favorites.IsNullOrEmpty()); var favorite = user.Favorites.FirstOrDefault(); await favoritesService.RemoveUserFavoritesAsync(favorite.ChannelId, favorite.ChatId, favorite.ContactId, user.Id); var actualFavorites = fillTestDbHelper.Users.FirstOrDefault(opt => opt.Id == user.Id).Favorites; Assert.True(user.Favorites.Count - 1 == actualFavorites.Count); }