public function testClassesForFolder()
 {
     //$baseFolder = Director::baseFolder() . '/' . FRAMEWORK_DIR . '/tests/_ClassInfoTest';
     //$manifestInfo = ManifestBuilder::get_manifest_info($baseFolder);
     $classes = ClassInfo::classes_for_folder(ltrim(FRAMEWORK_DIR . '/tests', '/'));
     $this->assertContains('classinfotest', $classes, 'ClassInfo::classes_for_folder() returns classes matching the filename');
     $this->assertContains('classinfotest_baseclass', $classes, 'ClassInfo::classes_for_folder() returns additional classes not matching the filename');
 }