ChannelPromise writePromise = newPromise();
ChannelFuture writeFuture = clientChannel.writeAndFlush(request, writePromise);
writePromise.awaitUninterruptibly(2, SECONDS);
assertTrue(writePromise.isSuccess());
writeFuture.awaitUninterruptibly(2, SECONDS);
assertTrue(writeFuture.isSuccess());
awaitRequests();
verify(serverListener).onHeadersRead(any(ChannelHandlerContext.class), eq(3), eq(http2Headers), eq(0),
anyShort(), anyBoolean(), eq(0), eq(false));
verify(serverListener).onDataRead(any(ChannelHandlerContext.class), eq(3), any(ByteBuf.class), eq(0),