public void Setup()
{
_mockProcessDataGateway = new Mock <IProcessDataGateway>();
_mockSystemTime = new Mock <ISystemTime>();
_databaseGateway = new DatabaseGateway(DatabaseContext, _mockProcessDataGateway.Object,
_mockSystemTime.Object);
(_, _, _relationship, _, _, _oppositeRelationship) = PersonalRelationshipsHelper.SavePersonWithPersonalRelationshipAndOppositeToDatabase(DatabaseContext);
}