Add a blocker to avoid using HttpFoundation request and response objects (symfony#42)

* Add a blocker to avoid using HttpFoundation request and response objects

* Stop setting request & response httpfoundation object

Author: Pierstoval

src/Client.php

@@ -78,6 +78,16 @@ public function start()
         }
     }
 
+    public function getRequest()
+    {
+        throw new \LogicException('HttpFoundation Request object is not available when using WebDriver.');
+    }
+
+    public function getResponse()
+    {
+        throw new \LogicException('HttpFoundation Response object is not available when using WebDriver.');
+    }
+
     public function followRedirects($followRedirect = true): void
     {
         if (!$followRedirect) {
@@ -180,7 +190,7 @@ protected function createCrawler(): Crawler
 
     protected function doRequest($request)
     {
-        throw new \Exception('Not useful in WebDriver mode.');
+        throw new \LogicException('Not useful in WebDriver mode.');
     }
 
     public function back()
@@ -258,9 +268,9 @@ public function get($uri)
             $uri = $this->baseUri.$uri;
         }
 
-        $this->request = $this->internalRequest = new Request($uri, 'GET');
+        $this->internalRequest = new Request($uri, 'GET');
         $this->webDriver->get($uri);
-        $this->response = $this->internalResponse = new Response($this->webDriver->getPageSource());
+        $this->internalResponse = new Response($this->webDriver->getPageSource());
         $this->crawler = $this->createCrawler();
 
         return $this;