code: func NewMockDeliverServerWithFilteredDeliveries(d <-chan *pb.FilteredBlock) *MockDeliverServer {
  	return &MockDeliverServer{
  		status:             cb.Status_UNKNOWN,
  		filteredDeliveries: d,
  	}
  }
docs: // NewMockDeliverServerWithFilteredDeliveries returns a new MockDeliverServer using filteredDeliveries channel with FilteredBlock