/**
  * Sends HTTP request to specific URL with field values from Table.
  *
  * @param string    $method request method
  * @param string    $url    relative url
  * @param TableNode $post   table of post values
  *
  * @When /^(?:I )?send a ([A-Z]+) request to "([^"]+)" with values:$/
  */
 public function iSendARequestWithValues($method, $url, TableNode $post)
 {
     $url = $this->prepareUrl($url);
     $fields = array();
     foreach ($post->getRowsHash() as $key => $val) {
         $fields[$key] = $this->replacePlaceHolder($val);
     }
     $bodyOption = array('body' => json_encode($fields));
     $this->request = $this->getClient()->createRequest($method, $url, $bodyOption);
     if (!empty($this->headers)) {
         $this->request->addHeaders($this->headers);
     }
     $this->sendRequest();
 }