http: Add coverage for socketOnDrain and updateOngoingData
Our current test suite does not cover
https://github.com/nodejs/node/blob/master/lib/_http_server.js#L381 https://github.com/nodejs/node/blob/master/lib/_http_server.js#L373
where the outgoingData is greater that the highWaterMark
- Version: master
- Platform: all
- Subsystem: http