public void Given_a_populated_UserContacts_instance(params IAccountContactSummary[] contacts)
 {
     _userContacts = new UserContacts(Guid.NewGuid());
     using (_userContacts.TrackChanges())
     {
         foreach (var contact in contacts)
         {
             _userContacts.Add(contact);
         }
         _userContacts.GetChangesSnapshot();
         _userContacts.CommitChanges();
     }
 }
 public void Given_a_UserContacts_instance()
 {
     _userContacts = new UserContacts(Guid.NewGuid());
     _userContacts.TrackChanges();
 }