[ticket/12480] Add subfolder/config/routing.yml which should not be found

PHPBB3-12480

tests/controller/controller_test.php

@@ -43,6 +43,8 @@ class phpbb_controller_controller_test extends phpbb_test_case
 
 		$this->assertInstanceOf('Symfony\Component\Routing\Route', $routes->get('controller2'));
 		$this->assertEquals('/foo/bar', $routes->get('controller2')->getPath());
+
+		$this->assertNull($routes->get('controller_noroute'));
 	}
 
 	public function test_controller_resolver()

tests/controller/ext/vendor2/foo/subfolder/config/routing.yml

@@ -0,0 +1,3 @@
+controller_noroute:
+    pattern: /donotfindthis
+    defaults: { _controller: foo.controller:handle }