try (BlockheadClient client = new BlockheadClient(uri))
{
client.addHeader("X-Dummy: Bogus\r\n");
client.connect();
client.sendStandardRequest();
client.expectUpgradeResponse();
client.write(new TextFrame().setPayload("X-Dummy"));
EventQueue<WebSocketFrame> frames = client.readFrames(1,1,TimeUnit.SECONDS);
WebSocketFrame frame = frames.poll();
Assert.assertThat("Frame Response", frame.getPayloadAsUTF8(), is("Request Header [X-Dummy]: \"Bogus\""));