exclude tax for user role

Remove tax calculations for specific user roles.

add_filter('advanced_woo_discount_rules_get_price_including_tax', function($price, $product, $original_price){
      $user = wp_get_current_user();
      if ( in_array( 'wcwp_wholesale', (array) $user->roles ) ) {
          return $original_price;
      }
      return $price;
}, 10, 3);