/**
  * Tests that PathFinderBase::requireFile() works properly.
  *
  * @covers ::requireFile()
  */
 public function testRequireFile()
 {
     $pathFinder = new PathFinderNull(['data/acme.inc']);
     $pathFinder->requireFile('data/acme.inc');
     $included = get_included_files();
     $this->assertTrue(in_array(realpath('data/acme.inc'), $included));
 }