Ensure no blank Sec-Websocket-Protocol headers and warn if websocket subprotocol edge case occur
#608
| Job | Run time |
|---|---|
| 1m 17s | |
| 1m 35s | |
| 1m 31s | |
| 1m 23s | |
| 1m 26s | |
| 6m 7s | |
| 4m 48s | |
| 18m 7s |