feat(ci): split out newer python versions for jammy

.github/workflows/ci.yml

@@ -28,16 +28,39 @@ jobs:
       run: |
         tox -e lint
 
-  test:
-    runs-on: ubuntu-22.04
+  test-focal:
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
         python-version:
           - "3.6"
           - "3.7"
           - "3.8"
-          - "3.9"
-          - "3.10"
+    steps:
+    - name: Repository checkout
+      uses: actions/checkout@v3
+
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install dependencies
+      run: |
+        pip install --upgrade pip tox codecov
+
+    - name: Test
+      run: |
+        tox -e py3
+        codecov
+
+  test-jammy:
+    runs-on: ubuntu-22.04
+    strategy:
+      matrix:
+        python-version:
+          #- "3.9"
+          #- "3.10"
           - "3.12"
     steps:
     - name: Repository checkout

tox.ini

@@ -2,9 +2,11 @@
 envlist = py3, lint, imports
 
 [testenv:py3]
-commands = coverage run setup.py test {posargs}
+commands = coverage run 'setup.py test {posargs}'
 sitepackages = False
-deps = coverage
+deps =
+  coverage
+  setuptools
 
 [testenv:integrate]
 commands = {envpython} -m integrate {posargs}