install pytest in CI workflow for unit tests

cmccandless · BethanyG · commit 550083dab7fa · 2021-02-06T10:29:25.000-08:00
diff --git a/.github/workflows/ci-workflow.yml b/.github/workflows/ci-workflow.yml
@@ -65,6 +65,9 @@ jobs:
       if: ${{ matrix.python-version == '3.6' }}
       run: pip install dataclasses
 
+    - name: Install pytest
+      run: pip install pytest
+
     - name: Check exercises
       run: |
         ./bin/test_exercises.py
