Issue #2942569 hotfix: Sorting nested properties of config entity queries does not work

(cherry picked from commit 1c4696777941d3b7538e1fe3d319824d59edeb89)

core/tests/Drupal/KernelTests/Core/Entity/ConfigEntityQueryTest.php

@@ -644,7 +644,7 @@ public function testDotted() {
     $this->queryResults = $this->entityStorage->getQuery()
       ->notExists('does.not.exist')
       ->execute();
-    $this->assertResults($all);
+    $this->assertResults(['1', '2', '3', '4', '5', '6', '7']);
   }
 
   /**