diff --git a/tests/Doctrine/Tests/Models/DateTimeCompositeKey/Article.php b/tests/Doctrine/Tests/Models/DateTimeCompositeKey/Article.php
index a7cc9ca2ece..6350c59084b 100644
--- a/tests/Doctrine/Tests/Models/DateTimeCompositeKey/Article.php
+++ b/tests/Doctrine/Tests/Models/DateTimeCompositeKey/Article.php
@@ -23,14 +23,18 @@ class Article
     #[Column]
     private string $title;
 
+    #[Column]
+    private string $content;
+
     /** @var Collection<int, ArticleAudit> */
     #[OneToMany(targetEntity: ArticleAudit::class, mappedBy: 'article', cascade: ['ALL'])]
     private Collection $audit;
 
-    public function __construct(string $title)
+    public function __construct(string $title, string $content)
     {
-        $this->title = $title;
-        $this->audit = new ArrayCollection();
+        $this->title   = $title;
+        $this->content = $content;
+        $this->audit   = new ArrayCollection();
     }
 
     public function changeTitle(string $newTitle): void
@@ -39,6 +43,12 @@ public function changeTitle(string $newTitle): void
         $this->updateAudit('title');
     }
 
+    public function changeContent(string $newContent): void
+    {
+        $this->content = $newContent;
+        $this->updateAudit('content');
+    }
+
     public function getId(): ?int
     {
         return $this->id;
@@ -57,6 +67,11 @@ public function getTitle(): string
         return $this->title;
     }
 
+    public function getContent(): string
+    {
+        return $this->content;
+    }
+
     private function updateAudit(string $changedKey): void
     {
         $this->audit[] = new ArticleAudit(
diff --git a/tests/Doctrine/Tests/ORM/Utility/IdentifierFlattenerDateTimeImmutableIdTest.php b/tests/Doctrine/Tests/ORM/Utility/IdentifierFlattenerDateTimeImmutableIdTest.php
index 6cf2cf8bc98..7e6954786ec 100644
--- a/tests/Doctrine/Tests/ORM/Utility/IdentifierFlattenerDateTimeImmutableIdTest.php
+++ b/tests/Doctrine/Tests/ORM/Utility/IdentifierFlattenerDateTimeImmutableIdTest.php
@@ -12,7 +12,6 @@
 use Doctrine\Tests\OrmFunctionalTestCase;
 
 use function dirname;
-use function sleep;
 
 /**
  * Test the IdentifierFlattener utility class
@@ -48,10 +47,9 @@ protected function setUp(): void
     /** @group utilities */
     public function testFlattenIdentifierWithDateTimeId(): void
     {
-        $article = new Article('Some title');
+        $article = new Article('Some title', 'Lorem ipsum');
         $article->changeTitle('New title');
-        sleep(1);
-        $article->changeTitle('Newest title');
+        $article->changeContent('Lorem ipsum dolor sit amet');
 
         $this->storeEntities($article);
 
@@ -66,7 +64,7 @@ public function testFlattenIdentifierWithDateTimeId(): void
     /** @group utilities */
     public function testFindEntityWithCompositeId(): void
     {
-        $article       = new Article('Some title');
+        $article       = new Article('Some title', 'Lorem ipsum');
         $fakeAudit     = new ArticleAudit(
             $timestamp = new DateTimeImmutable('2022-03-02'),
             'title',