WsebProxyTestIT.wsebLongPollingWithSequenceNumber fails once in a while

[jitsni]

Failed tests: 
  WsebProxyTestIT.wsebLongPollingWithSequenceNumber Specified behavior did not match expected:<...ost:8001
connected

[write await UPSTREAMNEXT

write "POST /echo/;e/ut/"
write ${sessionId}
write "?.ki=p HTTP/1.1\r\n"
write "Host: localhost:8001\r\n"
write "Connection: keep-alive\r\n"
write "Content-Length: 25\r\n"
write "Origin: http://localhost:8001\r\n"
write "X-Origin: http://localhost:8001\r\n"
write "User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.71 Safari/537.36\r\n"
write "Content-Type: text/plain; charset=UTF-8\r\n"
write "Accept: */*\r\n"
write "Referer: http://localhost:8001/?.kr=xs\r\n"
write "Accept-Encoding: gzip, deflate\r\n"
write "Accept-Language: en-US,en;q=0.8\r\n"
write "X-Sequence-No: 17\r\n"
write "\r\n"
write [0xc2 0x81 0x11]
write "Hello, WebSocket2"
write [0x01 0x30 0x31 0xc3 0xbf]    # wse.reconnect

read "HTTP/1.1 200 OK\r\n"
read /Content-Length: .*/ "\r\n"
read /Content-Type: .*/ "\r\n"
read /Date: .*/ "\r\n"
read "Server: Kaazing Gateway\r\n"
read "\r\n"
read "HTTP/1.1 200 OK\r\n"
read "\r\n"

close
closed]
> but was:<...ost:8001
connected

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