code: func (c *MockConfig) SetCustomChannelConfig(channelID string, config *fab.ChannelEndpointConfig) {
  	if c.chConfig == nil {
  		c.chConfig = make(map[string]*fab.ChannelEndpointConfig)
  	}
  	c.chConfig[channelID] = config
  }
docs: // SetCustomChannelConfig sets the config for the given channel