diff --git a/tests/Unit/Shared/DDD/DummyEntityIdA.php b/tests/Unit/Shared/DDD/DummyEntityIdA.php
new file mode 100644
index 0000000..2c3881f
--- /dev/null
+++ b/tests/Unit/Shared/DDD/DummyEntityIdA.php
@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Unit\Shared\DDD;
+
+use Shared\DDD\Model\EntityId;
+
+final readonly class DummyEntityIdA extends EntityId
+{
+}
diff --git a/tests/Unit/Shared/DDD/DummyEntityIdB.php b/tests/Unit/Shared/DDD/DummyEntityIdB.php
new file mode 100644
index 0000000..154d9d1
--- /dev/null
+++ b/tests/Unit/Shared/DDD/DummyEntityIdB.php
@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Unit\Shared\DDD;
+
+use Shared\DDD\Model\EntityId;
+
+final readonly class DummyEntityIdB extends EntityId
+{
+}
diff --git a/tests/Unit/Shared/DDD/EntityIdTest.php b/tests/Unit/Shared/DDD/EntityIdTest.php
index d18545a..527c2fb 100644
--- a/tests/Unit/Shared/DDD/EntityIdTest.php
+++ b/tests/Unit/Shared/DDD/EntityIdTest.php
@@ -50,11 +50,3 @@ describe('EntityId', function (): void {
             ->and($classA1->equals(null))->toBeFalse();
     });
 });
-
-final readonly class DummyEntityIdA extends EntityId
-{
-}
-
-final readonly class DummyEntityIdB extends EntityId
-{
-}