public void ShouldReturnNullAll()
        {
            // Arrange
            var db = GetDatebase();

            var league = new League {
                Id = 1, Country = "Uk", Name = "Premier league", Year = "2018", Stage = ""
            };
            var team = new Team {
                Id = 1, Name = "Man Utd", UniqueName = "Manchester United"
            };

            var firstGame = new FootballGame {
                Id = 1, MatchDate = DateTime.UtcNow, League = league, HomeTeam = team, AwayTeam = team
            };

            db.AddRange(firstGame);
            db.SaveChanges();

            var gameService = new GameService(db);
            // Act
            var result = gameService.All();

            // Assert
            result
            .Should()
            .BeNullOrEmpty();
        }
        public void ShouldReturnAllGamesAndOrder()
        {
            // Arrange
            var db = GetDatebase();

            var league = new League {
                Id = 1, Country = "Uk", Name = "Premier league", Year = "2018", Stage = ""
            };
            var team = new Team {
                Id = 1, Name = "Man Utd", UniqueName = "Manchester United"
            };

            var firstGame = new FootballGame {
                Id = 1, MatchDate = DateTime.UtcNow, League = league, HomeTeam = team, AwayTeam = team
            };
            var secondGame = new FootballGame {
                Id = 2, MatchDate = DateTime.UtcNow, League = league, HomeTeam = team, AwayTeam = team, FullTimeResult = new GameResult {
                    Id = 2, Result = ResultEnum.H, HomeTeamGoals = 3, AwayTeamGoals = 1
                }
            };
            var thirdGame = new FootballGame {
                Id = 3, MatchDate = DateTime.UtcNow, League = league, HomeTeam = team, AwayTeam = team
            };
            var fourthGame = new FootballGame {
                Id = 4, MatchDate = DateTime.UtcNow.AddDays(-1), League = league, HomeTeam = team, AwayTeam = team, FullTimeResult = new GameResult {
                    Id = 1, Result = ResultEnum.H, HomeTeamGoals = 3, AwayTeamGoals = 1
                }
            };

            db.AddRange(firstGame, secondGame, thirdGame, fourthGame);
            db.SaveChanges();

            var gameService = new GameService(db);
            // Act
            var result = gameService.All();

            // Assert
            result
            .Should()
            .Match(r =>
                   r.ElementAt(0).Id == 2 &&
                   r.ElementAt(1).Id == 4)
            .And
            .HaveCount(2);
        }