public RepositroyTest(RentalContext context)
 {
     _context = context;
 }
 public UnitRepository()
 {
     _context = new RentalContext();
 }
 public UnitRepository(RentalContext unitContext)
 {
     _context = unitContext;
 }
 public UnitOfWork()
 {
     Context = new RentalContext();
     UnitRepository = new UnitRepository(Context);
 }