DirkGroenen\Pinterest\Pinterest::getRateLimitRemaining PHP Method

    public function getRateLimitRemaining()
    {
        $header = $this->request->getHeaders();
        return isset($header['X-Ratelimit-Remaining']) ? $header['X-Ratelimit-Remaining'] : 'unknown';
    }

 public function testGetRateLimitRemaining()
 {
     $ratelimit = $this->pinterest->getRateLimitRemaining();
     $this->assertEquals($ratelimit, 'unknown');
 }