public function testOptionsHead()
 {
     $response = \PHRequests\PHRequests::options(BASE_GET_URL);
     //var_dump($response); die();
     $this->assertEquals($response->http_code, 200);
     $this->assertEquals(strtoupper($response->headers['allow']), 'HEAD, OPTIONS, GET');
     $this->assertEquals(strtoupper($response->allow[0]), 'HEAD');
     $this->assertEquals(strtoupper($response->allow[2]), 'GET');
 }