public async void AddAssociateOperatingContext(Associate associate, OperatingContext operatingContext)
        {
            int operatingContextId = _context.OperatingContexts.ToList().Last().Id;

            AssociateOperatingContext association = new AssociateOperatingContext(associate.Id, operatingContextId);

            _context.AssociateOperatingContexts.Add(association);

            await _context.SaveChangesAsync();
        }
 public async Task Commit()
 {
     await _context.SaveChangesAsync();
 }