cs: Switch to a stricter way of coding - this might break in a lot of places.

src/Bundle/ChillReportBundle/Tests/DependencyInjection/ChillReportExtensionTest.php

@@ -7,6 +7,15 @@
  * the LICENSE file that was distributed with this source code.
  */
 
+declare(strict_types=1);
+
+/**
+ * Chill is a software for social workers.
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
 namespace Chill\ReportBundle\Tests\Controller;
 
 use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
@@ -15,7 +24,7 @@ use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
  * @internal
  * @coversNothing
  */
-class ChillReportExtensionTest extends KernelTestCase
+final class ChillReportExtensionTest extends KernelTestCase
 {
     /*
      * Check if class Chill\ReportBundle\Entity\Report is in chill_custom_fields.customizables_entities
@@ -23,7 +32,7 @@ class ChillReportExtensionTest extends KernelTestCase
     public function testDeclareReportAsCustomizable()
     {
         self::bootKernel(['environment' => 'test']);
-        $customizablesEntities = static::$kernel->getContainer()
+        $customizablesEntities = self::$kernel->getContainer()
             ->getParameter('chill_custom_fields.customizables_entities');
 
         $reportFounded = false;