Issue #3379899 by Wim Leers, phenaproxima, jibran, borisson_: Follow-up for...

      fn (ConstraintViolation $v) => sprintf("[%s] %s", $v->getPropertyPath(), (string) $v->getMessage()),

      $filtered_violations

    );

    // If config validation errors are encountered for a contrib module, avoid

    // failing the test (which would be too disruptive for the ecosystem), but

    // trigger a deprecation notice instead.

    if (!empty($validation_errors) && $this->isContribViolation()) {

      @trigger_error(sprintf("The '%s' configuration contains validation errors. Invalid config is deprecated in drupal:10.2.0 and will be required to be valid in drupal:11.0.0. The following validation errors were found:\n\t\t- %s",

        $config_name,

        implode("\n\t\t- ", $validation_errors)

      ), E_USER_DEPRECATED);

    }

    else {

      $errors = array_merge($errors, $validation_errors);

    }

    if (empty($errors)) {

      return TRUE;

    }

    return $errors;

  }

  /**

   * Whether the current test is for a contrib module.

   *

   * @return bool

   */

  private function isContribViolation(): bool {

    $test_file_name = (new \ReflectionClass($this))->getFileName();

    $root = dirname(__DIR__, 6);

    return !str_starts_with($test_file_name, $root . DIRECTORY_SEPARATOR . 'core');

  }

  /**

   * Helper method to check data type.

   *