Fixed CS issues

Author: ezimuel

tests/Elasticsearch/Tests/Connections/ConnectionTest.php

@@ -27,7 +27,8 @@ public function testConstructor()
             'host' => 'localhost'
         ];
         $connection = new Connection(
-            function(){},
+            function () {
+            },
             $host,
             $params,
             $this->serializer,
@@ -44,7 +45,8 @@ public function testGetHeadersContainUserAgent()
             'host' => 'localhost'
         ];
         $connection = new Connection(
-            function(){},
+            function () {
+            },
             $host,
             $params,
             $this->serializer,