RestClient::get PHP Method

    public function get($url, $parameters = [], $headers = [])
    {
        return $this->execute($url, 'GET', $parameters, $headers);
    }

 public function test_user_agent()
 {
     global $TEST_SERVER_URL;
     $api = new RestClient(array('user_agent' => "RestClient Unit Test"));
     $result = $api->get($TEST_SERVER_URL);
     $response_json = $result->decode_response();
     $this->assertEquals("RestClient Unit Test", $response_json->headers->{"User-Agent"});
 }