diff --git a/tests/Iterators/UniqueFilterTest.php b/tests/Iterators/UniqueFilterTest.php
index b4d429dce3d7094dc883e189b8a1a4473c0ed651..7c42f6186e7781cbd76e25b17fa36d96e5e6fdb2 100644
--- a/tests/Iterators/UniqueFilterTest.php
+++ b/tests/Iterators/UniqueFilterTest.php
@@ -1,9 +1,20 @@
 <?php declare(strict_types=1);
-/**
+/*
+ * irstea/ng-model-generator-bundle generates Typescript interfaces for Angular using api-platform metadata.
  * Copyright (C) 2018 IRSTEA
- * All rights reserved.
- * @copyright 2018 IRSTEA
- * @author    guillaume.perreal
+ *
+ * This program is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License and the GNU
+ * Lesser General Public License along with this program. If not, see
+ * <https://www.gnu.org/licenses/>.
  */
 
 namespace Irstea\NgModelGeneratorBundle\Tests\Iterators;
@@ -12,7 +23,7 @@ use Irstea\NgModelGeneratorBundle\Iterators\UniqueFilter;
 use PHPUnit\Framework\TestCase;
 
 /**
- * Class UniqueFilterTest
+ * Class UniqueFilterTest.
  */
 class UniqueFilterTest extends TestCase
 {
@@ -26,7 +37,8 @@ class UniqueFilterTest extends TestCase
         $this->tested = new UniqueFilter();
     }
 
-    public function testKeepUniqueValues() {
+    public function testKeepUniqueValues()
+    {
         $input = [4, 5, null, new \stdClass(), new \stdClass()];
         self::assertEquals($input, array_filter($input, $this->tested));
     }
@@ -41,7 +53,7 @@ class UniqueFilterTest extends TestCase
 
         self::assertEquals(count($expected), count($actual));
 
-        foreach($expected as $i => $value) {
+        foreach ($expected as $i => $value) {
             self::assertSame($value, $actual[$i]);
         }
     }