ci: add debugging for permission issue

Author: andrielfn

.github/workflows/test.yml

@@ -36,7 +36,13 @@ jobs:
       - name: Run tests
         run: |
           export PATH="/usr/lib/postgresql/${{ matrix.pg-version }}/bin:$PATH"
-          # Allow postgres user to write test results
-          sudo mkdir -p test/results
-          sudo chown -R postgres:postgres test/
-          sudo -u postgres make installcheck || (cat test/results/*.diff 2>/dev/null; exit 1)
+          # Debug: show directory structure and permissions
+          pwd
+          ls -la
+          ls -la test/
+          id
+          # Give full permissions to the workspace
+          sudo chmod -R 777 .
+          sudo ls -la test/
+          # Run as postgres user from a directory it can access
+          sudo -u postgres env PATH="$PATH" make installcheck || (cat test/results/*.diff 2>/dev/null; exit 1)