Add workflow for testing

.github/workflows/workflow.yml

@@ -0,0 +1,29 @@
+name: Test
+
+on:
+  pull_request:
+  push:
+    branches:
+    - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+     - uses: actions/checkout@v2
+
+     - name: Set up Python 3.9
+       uses: actions/setup-python@v2
+       with:
+         python-version: 3.9
+
+     - name: Install dependencies
+       shell: bash
+       run: |
+         sudo apt-get install libsasl2-dev
+         python -m pip install --upgrade pip
+         python -m pip install -r test-requirements.txt
+
+     - name: Run pytest
+       shell: bash
+       run: pytest tests/