fakes/fake.go
func (s *MockMongo) Collection() pezdispenser.Persistence {
	return &MockPersistence{
		Err:    s.Err,
		Result: s.Result,
	}
}
func (s *MockMongo) Collection() pezdispenser.Persistence {
	return &MockPersistence{
		Err:    s.Err,
		Result: s.Result,
	}
}
//Collection -