Merge branch '4.4' into 5.4

* 4.4:
  [Cache] Declaratively declare/hide DoctrineProvider to avoid breaking static analysis
  [HttpClient] Let curl handle Content-Length headers
  Improve testsuite
  [HttpClient] Move Content-Type after Content-Length
  [HttpClient] minor cs fix

Author: nicolas-grekas

Tests/Store/CombinedStoreTest.php

@@ -24,6 +24,7 @@
 
 /**
  * @author Jérémy Derussé <[email protected]>
+ * @group integration
  */
 class CombinedStoreTest extends AbstractStoreTest
 {
@@ -43,7 +44,8 @@ protected function getClockDelay()
      */
     public function getStore(): PersistingStoreInterface
     {
-        $redis = new \Predis\Client(array_combine(['host', 'port'], explode(':', getenv('REDIS_HOST')) + [1 => null]));
+        $redis = new \Predis\Client(array_combine(['host', 'port'], explode(':', getenv('REDIS_HOST')) + [1 => 6379]));
+
         try {
             $redis->connect();
         } catch (\Exception $e) {

Tests/Store/PdoStoreTest.php

@@ -20,6 +20,7 @@
  * @author Jérémy Derussé <[email protected]>
  *
  * @requires extension pdo_sqlite
+ * @group integration
  */
 class PdoStoreTest extends AbstractStoreTest
 {

Tests/Store/ZookeeperStoreTest.php

@@ -20,6 +20,7 @@
  * @author Ganesh Chandrasekaran <[email protected]>
  *
  * @requires extension zookeeper
+ * @group integration
  */
 class ZookeeperStoreTest extends AbstractStoreTest
 {