private static void TestAddWorkers(int buildingId)
        {
            buildingService.AddWorkers(buildingId, 35); //privelke cislo
            int      workersAssignedInTC;
            int      freeWorkers;
            Building building;

            using (var db = new AppDbContext())
            {
                building            = db.Buildings.Find(buildingId);
                workersAssignedInTC = building.WorkersAssigned;
                freeWorkers         = db.Villages.Find(building.Village.ID).FreeWorkers;
            }
            Console.WriteLine(workersAssignedInTC == 0 && freeWorkers == 10 ? "BuildingService - Test03 - OK" : "BuildingService - Test03 - FAIL");

            buildingService.AddWorkers(buildingId, 5);  //OK
            using (var db = new AppDbContext())
            {
                workersAssignedInTC = db.Buildings.Find(buildingId).WorkersAssigned;
                freeWorkers         = db.Villages.Find(building.Village.ID).FreeWorkers;
            }
            Console.WriteLine(workersAssignedInTC == 5 && freeWorkers == 5 ? "BuildingService - Test04 - OK" : "BuildingService - Test04 - FAIL");
        }