Add GitHub action workflow recipe

Author: danielhuppmann

.github/workflow/pytest.yml

@@ -0,0 +1,29 @@
+# This workflow will install Python dependencies, run tests with a single version of Python
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
+
+name: Run tests
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.8
+
+    - name: Install dependencies
+      run: pip install pytest
+
+    - name: Test with pytest
+      run: pytest