✅ Make unit tests working

lib/symfony/form/Util/OrderedHashMap.php

@@ -112,7 +112,7 @@ class OrderedHashMap implements \ArrayAccess, \IteratorAggregate, \Countable
     public function offsetGet(mixed $key): mixed
     {
         if (!isset($this->elements[$key])) {
-            throw new \OutOfBoundsException(sprintf('The offset "%s" does not exist.', $key));
+            throw new \OutOfBoundsException(\sprintf('The offset "%s" does not exist.', $key));
         }
 
         return $this->elements[$key];

lib/symfony/form/Util/OrderedHashMapIterator.php

@@ -57,15 +57,12 @@ class OrderedHashMapIterator implements \Iterator
         $this->managedCursors[$this->cursorId] = &$this->cursor;
     }
 
-    public function __sleep(): array
+    public function __serialize(): array
     {
         throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
     }
 
-    /**
-     * @return void
-     */
-    public function __wakeup()
+    public function __unserialize(array $data): void
     {
         throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
     }