Add new workflow.

.github/workflows/pull-request-tests.yml

@@ -0,0 +1,35 @@
+name: "Run tests on pr"
+
+run-name: ${{ github.actor }} has create a pull request 💻
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v3
+      with:
+        python-version: "3.10"
+
+    - name: Install poetry
+      run: pip3 install poetry
+
+    - name: Install dependencies
+      run: poetry install
+
+    - name: Test with pytest
+      run: make test
+