symfony
diff --git a/‎Factory/HttpFoundationFactory.php‎
Lines changed: 4 additions & 1 deletion b/‎Factory/HttpFoundationFactory.php‎
Lines changed: 4 additions & 1 deletion
diff --git a/‎Tests/Fixtures/Message.php‎
Lines changed: 3 additions & 1 deletion b/‎Tests/Fixtures/Message.php‎
Lines changed: 3 additions & 1 deletion
@@ -140,14 +140,17 @@ protected function getTemporaryPath()
      */
     public function createResponse(ResponseInterface $psrResponse)
     {
+        $cookies = $psrResponse->getHeader('Set-Cookie');
+        $psrResponse = $psrResponse->withHeader('Set-Cookie', array());
+
         $response = new Response(
             $psrResponse->getBody()->__toString(),
             $psrResponse->getStatusCode(),
             $psrResponse->getHeaders()
         );
         $response->setProtocolVersion($psrResponse->getProtocolVersion());
 
-        foreach ($psrResponse->getHeader('Set-Cookie') as $cookie) {
+        foreach ($cookies as $cookie) {
             $response->headers->setCookie($this->createCookie($cookie));
         }
 
 
@@ -64,7 +64,9 @@ public function getHeaderLine($name)
 
     public function withHeader($name, $value)
     {
-        throw new \BadMethodCallException('Not implemented.');
+        $this->headers[$name] = (array) $value;
+
+        return $this;
     }
 
     public function withAddedHeader($name, $value)