public function testFilterRegexListMatch()
 {
     $resource = new DirectoryResource($this->directory, '/\\.(foo|xml)$/');
     touch($this->directory . '/new.xml', time() + 20);
     $this->assertFalse($resource->isFresh(time() + 10), '->isFresh() returns false if an new file matching the filter regex is created ');
 }