Update the testing steps docs to 1.4.x
<!-- Please search existing work items before filing to avoid duplicates. --> ## Description <!-- Explain the context and motivation — the why behind this task. A contributor unfamiliar with the background should be able to understand the purpose without reading prior discussions. If this task is part of a larger effort, link the parent issue here. --> Update the doc: https://project.pages.drupalcode.org/ai/1.4.x/contribute/testing/full_patch_test/ - To have 1.4.x based testing steps - more importantly Adding global guardrails test - Find out anything more changes in 1.4.x which should be added. Check the diff. ## Tasks <!-- List the concrete implementation steps — the what, not the why (that belongs in Description above). Each item should be independently completable and verifiable. Check items off as work progresses. --> * [ ] ## Acceptance criteria <!-- Define what "done" looks like. Each criterion should be independently verifiable. Example: - Site builders can configure X via the UI without writing code. - Existing behavior is unchanged when the new setting is left at its default. --> * ## Testing instructions *(added by implementor before review)* <!-- Testing Setup (optional — to verify on a clean install): mkdir my-drupal-site && cd my-drupal-site ddev config --project-type=drupal11 --docroot=web ddev composer create-project drupal/cms ddev drush site:install --account-name=admin --account-pass=admin -y # Enable AI Dashboard and ai_api_explorer # Launch the site and open the AI dashboard to add an OpenAI or Anthropic key: ddev launch $(ddev drush uli /admin/config/ai) --> 1. ## Related issues *(optional)* <!-- Link issues this task relates to, blocks, or is blocked by using GitLab quick actions: /relate #<issue> — mark as related (bidirectional) /blocks #<issue> — mark that this task blocks another issue /blocked_by #<issue> — mark that this task is blocked by another issue /assign me — claim this task if you are starting work on it --> <!-- If this issue description was significantly AI-generated (entire sections, not autocomplete), please note it in a comment below. See https://www.drupal.org/docs/develop/issues/issue-procedures-and-etiquette/policy-on-the-use-of-ai-when-contributing-to-drupal -->
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