diff --git a/tests/src/Rules/data/dependency-serialization-trait.php b/tests/src/Rules/data/dependency-serialization-trait.php
index 12f950f5..8c9c669c 100644
--- a/tests/src/Rules/data/dependency-serialization-trait.php
+++ b/tests/src/Rules/data/dependency-serialization-trait.php
@@ -46,3 +46,9 @@ public function __construct(
         protected readonly EntityTypeManagerInterface $entityTypeManager,
     ) {}
 }
+
+class NonServiceProperty {
+    use DependencySerializationTrait;
+
+    private bool $foo;
+}