Make units tests visible through CI

Author: emanlove

.github/workflows/CI.yml

@@ -42,6 +42,10 @@ jobs:
       if: matrix.python-version != 'pypy3'
       run: |
         invoke gen-stub
+    - name: Run unit tests with ${{ matrix.python-version }}
+      if: matrix.python-version != 'pypy3'
+      run: |
+        invoke utest
     - name: Run tests with headless Chrome and with Python != 3.8
       if: matrix.python-version != '3.8'
       run: |