Merge branch '4.4' into 5.0

* 4.4:
  [HttpClient] fix "undefined variable"
  [HttpClient] remove useless code in test
  [HttpClient] fix getting response content after its destructor throwed an HttpExceptionInterface
  [HttpClient] fix HttpClientDataCollector when handling canceled responses
  [Security] Fix exception name in doc comments

Author: nicolas-grekas

Test/HttpClientTestCase.php

@@ -782,6 +782,18 @@ public function testDestruct()
         $this->assertLessThan(4, $duration);
     }
 
+    public function testGetContentAfterDestruct()
+    {
+        $client = $this->getHttpClient(__FUNCTION__);
+
+        try {
+            $client->request('GET', 'http://localhost:8057/404');
+            $this->fail(ClientExceptionInterface::class.' expected');
+        } catch (ClientExceptionInterface $e) {
+            $this->assertSame('GET', $e->getResponse()->toArray(false)['REQUEST_METHOD']);
+        }
+    }
+
     public function testProxy()
     {
         $client = $this->getHttpClient(__FUNCTION__);