New test

tests.php

<?php
/**
 * Notify about the default tagline if the user hasn't changed it
 */
private function default_tagline_notice() {
  $customize_url = add_query_arg( [ 'autofocus[control]' => 'blogdescription' ], wp_customize_url() );
  $info_message  = sprintf(
    /* translators: 1: link open tag; 2: link close tag. */
    esc_html__( 'You still have the default WordPress tagline, even an empty one is probably better. %1$sYou can fix this in the customizer%2$s.', 'rank-math' ),
    '<a href="' . esc_attr( $customize_url ) . '">',
    '</a>'
  );

  if ( $this->has_default_tagline() ) {
    Helper::add_notification( $info_message, [
      'type' => 'error',
      'id'   => 'rank-math-default-tagline-notice',
    ]);
  } else {
    Helper::remove_notification( 'rank-math-default-tagline-notice' );
  }
}

/**
 * Returns whether or not the site has the default tagline
 *
 * @return bool
 */
private function has_default_tagline() {
  $description         = get_bloginfo( 'description' );
  $default_description = 'Just another WordPress site';

  // We are checking against the WordPress internal translation.
  $translated_description = __( 'Just another WordPress site', 'default' ); // phpcs:ignore

  return $translated_description === $description || $default_description === $description;
}

/**
 * Add an alert if the blog is not publicly visible
 */
private function blog_public_notice() {
  $info_message  = '<strong>' . esc_html__( 'Huge SEO Issue: You\'re blocking access to robots.', 'rank-math' ) . '</strong> ';
  $info_message .= sprintf(
    /* translators: %1$s resolves to the opening tag of the link to the reading settings, %1$s resolves to the closing tag for the link */
    esc_html__( 'You must %1$sgo to your Reading Settings%2$s and uncheck the box for Search Engine Visibility.', 'rank-math' ),
    '<a href="' . esc_url( admin_url( 'options-reading.php' ) ) . '">',
    '</a>'
  );

  if ( ! $this->is_blog_public() ) {
    Helper::add_notification( $info_message, [
      'type' => 'error',
      'id'   => 'rank-math-blog-public-notice',
    ]);
  } else {
    Helper::remove_notification( 'rank-math-blog-public-notice' );
  }
}

/**
 * Check if the site is set to be publicly visible
 *
 * @return bool
 */
private function is_blog_public() {
  return '1' === (string) get_option( 'blog_public' );
}

/**
 * Show alert when the permalink doesn't contain %postname%
 */
private function permalink_notice() {
  $info_message  = __( 'You do not have your postname in the URL of your posts and pages, it is highly recommended that you do. Consider setting your permalink structure to <strong>/%postname%/</strong>.', 'rank-math' );
  $info_message .= '<br/>';
  $info_message .= sprintf(
    /* translators: %1$s resolves to the starting tag of the link to the permalink settings page, %2$s resolves to the closing tag of the link */
    __( 'You can fix this on the %1$sPermalink settings page%2$s.', 'rank-math' ),
    '<a href="' . admin_url( 'options-permalink.php' ) . '">',
    '</a>'
  );

  if ( ! $this->has_postname_in_permalink() ) {
    Helper::add_notification( $info_message, [
      'type' => 'warning',
      'id'   => 'rank-math-permalink-notice',
    ]);
  } else {
    Helper::remove_notification( 'rank-math-permalink-notice' );
  }
}

/**
 * Check if the permalink uses %postname%
 *
 * @return bool
 */
private function has_postname_in_permalink() {
  return ( false !== strpos( get_option( 'permalink_structure' ), '%postname%' ) );
}