code: func (mp *MockPeerCCSupport) GetCC(name string) (*MockCCComm, error) {
  	s := mp.ccStream[name]
  	if s == nil {
  		return nil, fmt.Errorf("CC %s not added", name)
  	}
  	return s, nil
  }
docs: //GetCC gets a cc from the MockPeerCCSupport