public function testFindingClassesWithCallableExcludes() {
		$result = Libraries::find('lithium', array(
			'recursive' => true, 'path' => '/tests/cases',
			'format' => function($file, $config) {
				return new SplFileInfo($file);
			},
			'filter' => null,
			'exclude' =>  function($file) {
				if ($file->getFilename() == 'LibrariesTest.php') {
					return true;
				}
			}
		));
		$this->assertEqual(1, count($result));
		$this->assertIdentical(__FILE__, $result[0]->getRealPath());
	}