GuzzleHttp\Test\Handler\StreamHandlerTest::testDoesSleep PHP Method

    public function testDoesSleep()
    {
        $response = new response(200);
        Server::enqueue([$response]);
        $a = new StreamHandler();
        $request = new Request('GET', Server::$url);
        $s = microtime(true);
        $a($request, ['delay' => 0.1])->wait();
        $this->assertGreaterThan(0.0001, microtime(true) - $s);
    }