Testing in parallel

Author: OskarLiew

.github/workflows/ci_checks.yml

@@ -19,5 +19,14 @@ jobs:
           sudo cp s2i /usr/local/bin
       - name: Run the test script
         run: make test -C python38-slim/
+  test-python39:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: "Install s2i"
+        run: |
+          wget -c https://github.com/openshift/source-to-image/releases/download/v1.3.0/source-to-image-v1.3.0-eed2850f-linux-amd64.tar.gz -O - | tar -xz
+          sudo cp s2i /usr/local/bin
       - name: Run the test script
         run: make test -C python39-slim/
+