public void Can_Add_Services_To_Contractor()
        {
            // Arrange
            LegalPerson legalPerson = new LegalPerson("12345678901", "Mile d.o.o.");

            RepairService repairService1 = new RepairService("Ličenje");
            RepairService repairService2 = new RepairService("vodovodne cijevi");
            RepairService[] repairServices = new RepairService[] {
                repairService1,
                repairService2
            };

            // Act
            Contractor contractor = new Contractor(legalPerson, repairServices);
            RepairService repairService3 = new RepairService("parketi");
            contractor.AddRepairService(repairService3);

            // Assert
            Assert.AreEqual(3, contractor.RepairServices.Count);
            Assert.AreEqual(repairService1, contractor.RepairServices[0]);
            Assert.AreEqual(repairService2, contractor.RepairServices[1]);
            Assert.AreEqual(repairService3, contractor.RepairServices[2]);
        }