Add tests workflow

Create a workflow for testing

.github/workflows/tests.yml

@@ -0,0 +1,44 @@
+name: Python Test Workflow
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+concurrency:
+  # The workflow run is canceled if a run on the same branch or pull request is in progress
+  group: "${{ github.workflow }} @ ${{ github.event.pull_request.head.label || github.head_ref || github.ref }}"
+  cancel-in-progress: true
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.12"]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: pdm-project/setup-pdm@v3
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: true
+
+      - name: Install dependencies
+        run: |
+          pdm sync
+
+      - name: Run pytest
+        run: |
+          pdm run pytest