Add tox tests to CI

.github/workflows/test.yml

@@ -0,0 +1,26 @@
+name: Python package
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python }}
+      - name: Install poetry
+        run: |
+          pip install -U pip
+          pip install poetry
+          poetry install --with testing
+        env:
+          POETRY_VIRTUALENVS_CREATE: false
+      - name: Run Tox
+        run: poetry run tox