final FullHttpResponse upgradeResponse = HttpUtil.decodeFullHttpResponse(ch);
assertThat(upgradeResponse.content().toString(UTF_8), equalTo("8jKS'y:G*Co,Wxa-"));
final TextWebSocketFrame openFrame = ch.readOutbound();
assertThat(openFrame.content().toString(UTF_8), equalTo("o"));
final TextWebSocketFrame closeFrame = ch.readOutbound();
assertThat(closeFrame.content().toString(UTF_8), equalTo("c[3000,\"Go away!\"]"));
assertThat(ch.isActive(), is(false));
webSocketTestClose(V13);