minor symfony#61197 [ObjectMapper] Fix test using LazyObjectInterface (nicolas-grekas)

This PR was merged into the 7.3 branch.

Discussion
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[ObjectMapper] Fix test using LazyObjectInterface

| Q             | A
| ------------- | ---
| Branch?       | 7.3
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        | -
| License       | MIT

Instead of symfony#61191 and symfony#61192

Commits
-------

168b3a3 [ObjectMapper] Fix test using LazyObjectInterface

Author: nicolas-grekas

src/Symfony/Component/ObjectMapper/Tests/Fixtures/LazyFoo.php

@@ -11,12 +11,28 @@
 
 namespace Symfony\Component\ObjectMapper\Tests\Fixtures;
 
-use Symfony\Component\VarExporter\LazyGhostTrait;
 use Symfony\Component\VarExporter\LazyObjectInterface;
 
 class LazyFoo extends \stdClass implements LazyObjectInterface
 {
-    use LazyGhostTrait;
+    private bool $initialized = false;
 
-    public string $name = 'foo';
+    public function isLazyObjectInitialized(bool $partial = false): bool
+    {
+        return $this->initialized;
+    }
+
+    public function initializeLazyObject(): object
+    {
+        $this->initialized = true;
+
+        return $this;
+    }
+
+    public function resetLazyObject(): bool
+    {
+        $this->initialized = false;
+
+        return true;
+    }
 }

src/Symfony/Component/ObjectMapper/Tests/ObjectMapperTest.php

@@ -371,9 +371,6 @@ public static function objectMapperProvider(): iterable
         yield [new ObjectMapper(new ReflectionObjectMapperMetadataFactory(), PropertyAccess::createPropertyAccessor())];
     }
 
-    /**
-     * @group legacy
-     */
     public function testMapInitializesLazyObject()
     {
         $lazy = new LazyFoo();