run pytest on github actions

.github/workflows/tests.yml

@@ -0,0 +1,36 @@
+name: Tests
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  tests:
+    name: Run pytest 
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repository
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v3
+        with:
+          python-version: "3.10"
+
+      - name: Upgrade pip
+        run: |
+          pip install --constraint=.github/workflows/constraints.txt pip
+          pip --version
+
+      - name: Install Poetry
+        run: |
+          pip install --constraint=.github/workflows/constraints.txt poetry
+          poetry --version
+      
+      - name: Install required packages 
+        run: |
+          poetry install
+      
+      - name: Run pytest
+        run: |
+          poetry run python -m pytest