public void RandomSeed_Tests()
        {
            List <int> available_roles = new List <int>()
            {
                PD_Player_Roles.Operations_Expert,
                PD_Player_Roles.Researcher,
                PD_Player_Roles.Medic,
                PD_Player_Roles.Scientist
            };

            Random randomness_provider = new Random(1000);

            PD_Game game_1 = PD_Game.Create_Game__AvailableRolesList(
                randomness_provider,
                4,
                0,
                available_roles
                );

            randomness_provider = new Random(1000);

            PD_Game game_2 = PD_Game.Create_Game__AvailableRolesList(
                randomness_provider,
                4,
                0,
                available_roles
                );

            randomness_provider = new Random(1000);
            while (game_1.GQ_Is_Ongoing())
            {
                game_1.Apply_Action(
                    randomness_provider,
                    game_1.CurrentAvailablePlayerActions.GetOneRandom(randomness_provider)
                    );
            }

            randomness_provider = new Random(1000);
            while (game_2.GQ_Is_Ongoing())
            {
                game_2.Apply_Action(
                    randomness_provider,
                    game_2.CurrentAvailablePlayerActions.GetOneRandom(randomness_provider)
                    );
            }

            game_2.unique_id = game_1.unique_id;
            game_2.OverrideStartTime(game_1.start_time);
            game_2.OverrideEndTime(game_1.end_time);

            Assert.IsTrue(game_1.Equals(game_2));
            Assert.IsTrue(game_1 == game_2);
            Assert.IsTrue(game_1.GetHashCode() == game_2.GetHashCode());
        }