diff --git a/core/modules/rest/src/Tests/RESTTestBase.php b/core/modules/rest/src/Tests/RESTTestBase.php
index 1e19be2..b6a26ec 100644
--- a/core/modules/rest/src/Tests/RESTTestBase.php
+++ b/core/modules/rest/src/Tests/RESTTestBase.php
@@ -79,6 +79,7 @@ protected function httpRequest($url, $method, $body = NULL, $mime_type = NULL) {
       // GET the CSRF token first for writing requests.
       $token = $this->drupalGet('rest/session/token');
     }
+    $curl_options = array();
     switch ($method) {
       case 'GET':
         // Set query if there are additional GET parameters.
@@ -92,6 +93,17 @@ protected function httpRequest($url, $method, $body = NULL, $mime_type = NULL) {
         );
         break;
 
+        case 'HEAD':
+          $options = isset($body) ? array('absolute' => TRUE, 'query' => $body) : array('absolute' => TRUE);
+          $curl_options = array(
+            CURLOPT_HTTPGET => FALSE,
+            CURLOPT_CUSTOMREQUEST => 'HEAD',
+            CURLOPT_URL => url($url, $options),
+            CURLOPT_NOBODY => TRUE,
+            CURLOPT_HTTPHEADER => array('Accept: ' . $mime_type),
+          );
+          break;
+
       case 'POST':
         $curl_options = array(
           CURLOPT_HTTPGET => FALSE,