public function test_get_library_id_from_text()
 {
     $text = 'foo bar <b>Test/foo/bar/baz.pg</b> baz';
     $expected = 'Test/foo/bar/baz.pg';
     $pf = new \WeBWorK\Server\Util\ProblemFormatter();
     $this->assertSame($expected, $pf->get_library_id_from_text($text));
 }