Test the upgrade path for Stable 9 theme

Problem/Motivation

Manually test the upgrade path from Stable 9 in core in current development branch to contrib in next major development branch works correctly..

Remaining tasks

Install Drupal current development branch on a machine with composer.

1. composer create-project drupal/recommended-project:x.y.* drupal-stable9
2. Go to the extension directory cd [drupal-stable9
3. Enable development settings cp web/sites/example.settings.local.php web/sites/default/settings.local.php
4. Add Drush composer require drush/drush
5. Install Umami vendor/bin/drush si demo_umami
6. Enable settings.local.php at the end of web/sites/default/settings.php

Enable and test

1. Enable the extension vendor/bin/drush en -y stable9
2. Test the extension functionality. Comment on what was tested.
3. Confirm errors via update.php and warnings via drush updb about the missing core theme.

Upgrade to contrib version and test

1. composer require drupal/stable_9
   vendor/bin/drush cr

2. Test the extension functionality. Comment on what was tested.

Upgrade to next major version and test

1. composer config minimum-stability dev
   composer require drupal/core-composer-scaffold:dev-main drupal/core-project-message:dev-main drupal/core-recommended:dev-main drush/drush -W

2. Update to next major version Either:
   • Via the UI: visit update.php for the local test site
   • Via drush:
     

     vendor/bin/drush updb
     vendor/bin/drush cr

3. Confirm the core copy of Stable 9 is not present.
4. Test
   • Test the extension functionality. Comment on what was tested.
   • Confirm errors admin/reports/status