diff --git a/Makefile b/Makefile
index d7af4c3..4302d91 100644
--- a/Makefile
+++ b/Makefile
@@ -19,6 +19,7 @@ psalm:
 .PHONY: phpunit
 phpunit:
 	$(eval c ?=)
+	rm -rf tests/var
 	vendor/bin/phpunit $(c)
 
 .PHONY: composer-dump
diff --git a/composer.json b/composer.json
index 38d0749..6b5f4a6 100644
--- a/composer.json
+++ b/composer.json
@@ -29,7 +29,7 @@
         "psr/http-factory-implementation": "^1.0",
         "psr/http-message": "^1.0 || ^2.0",
         "rekalogika/direct-property-access": "^1.1.2 || ^1.2",
-        "rekalogika/doctrine-collections-decorator": "^2.0",
+        "rekalogika/doctrine-collections-decorator": "^2.3",
         "rekalogika/reconstitutor": "^1.3.2 || ^1.4",
         "rekalogika/temporary-url-bundle": "^1.3",
         "symfony/config": "^6.2 || ^7.0",
diff --git a/tests/config/packages/doctrine.yaml b/tests/config/packages/doctrine.yaml
index ae07a4f..96549d4 100644
--- a/tests/config/packages/doctrine.yaml
+++ b/tests/config/packages/doctrine.yaml
@@ -11,10 +11,10 @@ doctrine:
             auto_mapping: false
         enable_lazy_ghost_objects: true
         report_fields_where_declared: true
-        # mappings:
-        #     App:
-        #         is_bundle: false
-        #         type: attribute
-        #         dir: "%kernel.project_dir%/src/Fixtures/Doctrine"
-        #         prefix: 'Rekalogika\File\Tests\Fixtures\Doctrine'
-        #         alias: App
+        mappings:
+            App:
+                is_bundle: false
+                type: attribute
+                dir: "%kernel.project_dir%/src/Entity"
+                prefix: 'Rekalogika\File\Tests\Entity'
+                alias: App
diff --git a/tests/src/Entity/User.php b/tests/src/Entity/User.php
new file mode 100644
index 0000000..4d6dcf4
--- /dev/null
+++ b/tests/src/Entity/User.php
@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of rekalogika/file-src package.
+ *
+ * (c) Priyadi Iman Nurcahyo <https://rekalogika.dev>
+ *
+ * For the full copyright and license information, please view the LICENSE file
+ * that was distributed with this source code.
+ */
+
+namespace Rekalogika\File\Tests\Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+
+#[ORM\Entity]
+class User
+{
+    #[ORM\Id, ORM\GeneratedValue, ORM\Column(type: 'integer')]
+    private ?int $id = null;
+
+    #[ORM\Column(type: 'string', length: 255)]
+    private string $name;
+
+    #[ORM\Column(type: 'string', length: 255)]
+    private string $email;
+
+    public function __construct(string $name, string $email)
+    {
+        $this->name = $name;
+        $this->email = $email;
+    }
+
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    public function getEmail(): string
+    {
+        return $this->email;
+    }
+
+}
diff --git a/tests/src/TestKernel.php b/tests/src/TestKernel.php
index 5631dd5..aed5210 100644
--- a/tests/src/TestKernel.php
+++ b/tests/src/TestKernel.php
@@ -65,11 +65,7 @@ public function __construct(
     #[\Override]
     public function boot(): void
     {
-        $filesystem = new Filesystem();
-        $filesystem->remove(__DIR__ . '/../var/');
-
         parent::boot();
-
     }
 
     #[\Override]