ReflectionMethod $method:
boolean
public static function isTestMethod(ReflectionMethod $method) {
  if (strpos($method->name, 'test') === 0) {
    return TRUE;
  }
  // @scenario on TestCase::testMethod()
  // @test     on TestCase::testMethod()
  return strpos($method
    ->getDocComment(), '@test') !== FALSE || strpos($method
    ->getDocComment(), '@scenario') !== FALSE;
}