public static function check(\PHPUnit_Framework_TestCase $test, SSODescriptor $descriptor, array $expectedNameIdFormats)
 {
     $test->assertCount(count($expectedNameIdFormats), $descriptor->getAllNameIDFormats());
     foreach ($expectedNameIdFormats as $nameIdFormat) {
         $test->assertTrue($descriptor->hasNameIDFormat($nameIdFormat));
     }
 }