Add testing to describe action

.github/workflows/describe-pr.yml

@@ -22,3 +22,8 @@ jobs:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           pull_number: ${{ github.event.pull_request.number }}
           repo_name: ${{ github.repository }}
+          custom_guidelines: |
+            - Always reference Jira ticket numbers in brackets format (example: [ENG-123] or [PLAT-11169])
+            - Always reference Jira ticket of the PR in the PR description near the top of PR
+            - Highlight any database migrations included in the changes
+            - Highlight any backfills included in the changes

action.yml

@@ -34,7 +34,9 @@ runs:
       shell: bash
       run: |
         if [ -n "$CUSTOM_GUIDELINES" ]; then
-          echo "context=$(jq -n --arg guidelines "$CUSTOM_GUIDELINES" '{custom_guidelines: $guidelines}')" >> $GITHUB_OUTPUT
+          echo 'context<<EOF' >> $GITHUB_OUTPUT
+          echo "$(jq -n --arg guidelines "$CUSTOM_GUIDELINES" '{custom_guidelines: $guidelines}')" >> $GITHUB_OUTPUT
+          echo 'EOF' >> $GITHUB_OUTPUT
         else
           echo "context={}" >> $GITHUB_OUTPUT
         fi