Add call to tearDown() parent in tearDown() method

tests/functional/ProjectControllerTest.php

@@ -50,6 +50,7 @@ class ProjectControllerTest extends WebTestCase
 
     protected function tearDown(): void
     {
+        parent::tearDown();
         $file_system = new Filesystem();
         $file_system->remove(self::TEST_DIR_PATH . self::CAPSULE_NAME);