Merge branch '6.2' into 6.3

* 6.2:
  CS fix
  Fix test provider

Author: nicolas-grekas

Tests/Caster/MysqliCasterTest.php

@@ -16,6 +16,7 @@
 
 /**
  * @requires extension mysqli
+ *
  * @group integration
  */
 class MysqliCasterTest extends TestCase

Tests/Caster/RdKafkaCasterTest.php

@@ -20,6 +20,7 @@
 
 /**
  * @requires extension rdkafka
+ *
  * @group integration
  */
 class RdKafkaCasterTest extends TestCase

Tests/Caster/RedisCasterTest.php

@@ -16,6 +16,7 @@
 
 /**
  * @author Nicolas Grekas <p@tchwork.com>
+ *
  * @group integration
  */
 class RedisCasterTest extends TestCase
@@ -49,7 +50,7 @@ public function testConnected(string $class)
         }
 
         $redisHost = explode(':', getenv('REDIS_HOST')) + [1 => 6379];
-        $redis = new $class;
+        $redis = new $class();
         try {
             $redis->connect(...$redisHost);
         } catch (\Exception $e) {