public function test_ConfigNotLoadedTwice()
 {
     $configA = 'ConfigNotLoadedTwice/ConfigA';
     $l = $this->createLoader([$configA]);
     $l->tryLoad('ClassA');
     $this->assertTrue(LoadedNotifier::isLoadedAt($this->getPathToFiles($configA, 'ClassA'), 1));
     LoadedNotifier::clear();
     $l->tryLoad('ClassA');
     $this->assertFalse(LoadedNotifier::isLoadedAt($this->getPathToFiles($configA, 'ClassA'), 1));
 }