add test workflow

.github/workflows/test.yml

@@ -0,0 +1,23 @@
+name: run tests
+
+on: [push]
+
+jobs:
+    test:
+        runs-on: ubuntu-latest
+
+        steps:
+        - uses: actions/checkout@v4
+        - name: Set up Python
+          uses: actions/setup-python@v5
+          with:
+            python-version: '3.x'
+        - name: Install dependencies
+          run: |
+            python -m pip install --upgrade pip
+            pip install -r requirements.txt
+            pip install -r test-requirements.txt
+        - name: Test with pytest
+          run: |
+            pip install pytest pytest-cov
+            pytest tests.py --doctest-modules --junitxml=junit/test-results.xml --cov=com --cov-report=xml --cov-report=html

test-requirements.txt

@@ -1,3 +1,3 @@
-pytest~=4.6.7 # needed for python 2.7+3.4
+pytest~=8.3.3 # needed for python 2.7+3.4
 pytest-cov>=2.8.1
-pytest-randomly==1.2.3 # needed for python 2.7+3.4
+pytest-randomly==3.16.0 # needed for python 2.7+3.4