Create run_tests.yml

.github/workflows/run_tests.yml

@@ -0,0 +1,24 @@
+name: Run tests
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v2
+      
+      - name: Set up Python 3.5.3
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.5.3'  # Debian Buster (stable)
+      
+      - name: Run Python unittests
+        run: python3 -m unittest