Use pytest-jupyter (#1099)

* use pytest-jupyter

* update deps

* cleanup

* fix downstream tests

* debug

* fix min version

* bump pytest-jupyter dep

* bump version

* reinstate pytest-cov

* explicitly set cov-config

* let auto detect work for coverage

* restore pytest-cov

.github/workflows/downstream.yml

@@ -20,6 +20,7 @@ jobs:
         uses: jupyterlab/maintainer-tools/.github/actions/downstream-test@v1
         with:
           package_name: nbclassic
+          test_command: pip install pytest-jupyter[server] && pytest -vv -raXxs -W default --durations 10 --color=yes
 
       - name: Test run nbclassic
         run: |
@@ -51,6 +52,7 @@ jobs:
         with:
           package_name: notebook
           package_download_extra_args: "--pre"
+          test_command: pip install pytest-jupyter[server] && pytest -vv -raXxs -W default --durations 10 --color=yes
 
   jupyterlab_server:
     runs-on: ubuntu-latest
@@ -63,10 +65,13 @@ jobs:
       - name: Base Setup
         uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
 
+      - run: pip install pytest-jupyter[server]
+
       - name: Test jupyterlab_server
         uses: jupyterlab/maintainer-tools/.github/actions/downstream-test@v1
         with:
           package_name: jupyterlab_server
+          test_command: pip install pytest-jupyter[server] && pytest -vv -raXxs -W default --durations 10 --color=yes
 
   jupyterlab:
     runs-on: ubuntu-latest
@@ -99,6 +104,7 @@ jobs:
       - name: Test jupyter_server_terminals
         uses: jupyterlab/maintainer-tools/.github/actions/downstream-test@v1
         with:
+          test_command: pip install pytest-jupyter[server] && pytest -vv -raXxs -W default --durations 10 --color=yes
           package_name: jupyter_server_terminals
 
   downstream_check: # This job does nothing and is only used for the branch protection

.github/workflows/python-tests.yml

@@ -93,7 +93,7 @@ jobs:
           dependency_type: minimum
       - name: Run the unit tests
         run: |
-          hatch run test:nowarn || hatch run test:nowarn --lf
+          hatch -vv run test:nowarn || hatch run test:nowarn --lf
 
   test_prereleases:
     name: Test Prereleases