public function testVerboseSend()
{
$uri = "http://httpbin.org/";
$client = new Client();
$client->setOption(Client::OP_VERBOSITY, Client::VERBOSE_SEND);
$promise = $client->request($uri);
$response = \Amp\wait($promise);
$expectedLines = ["GET / HTTP/1.1", "Accept-Encoding: gzip, identity", "Host: httpbin.org", "User-Agent: " . Client::USER_AGENT, "Accept: */*"];
$this->expectOutputString(implode("\r\n", $expectedLines) . "\r\n\r\n");
}