Add output information for XPassing tests

.github/workflows/pytest.yaml

@@ -129,7 +129,7 @@ jobs:
       - name: Run tests
         run: |
           source .venv/bin/activate
-          pytest --backend ${{ matrix.backend }} --postgres-dsn "postgresql://postgres:postgres@localhost:5432/test" --cov-report xml:.coverage.xml --cov-report term --cov=ixmp4 -rsx --benchmark-skip --color=yes
+          pytest --backend ${{ matrix.backend }} --postgres-dsn "postgresql://postgres:postgres@localhost:5432/test" --cov-report xml:.coverage.xml --cov-report term --cov=ixmp4 -rsxX --benchmark-skip --color=yes
 
   pre-commit:
     name: Code quality