Build: Add debug step to print test file content in CI

.github/workflows/tests.yml

@@ -32,6 +32,9 @@ jobs:
       - name: Install dependencies
         run: composer install --prefer-dist --no-progress
 
+      - name: Debug test file content
+        run: echo "--- Debugging tests/test-admin.php lines 75-95 ---" && sed -n '75,95p' tests/test-admin.php && echo "--- End Debugging ---"
+
       - name: Run tests
         run: ./vendor/bin/phpunit