Test some stuff

.github/workflows/test.yaml

@@ -0,0 +1,31 @@
+name: Run tests
+
+on:
+  push:
+
+env:
+  pytest_cpus: 2
+
+jobs:
+  test:
+    runs-on: "ubuntu-latest"
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.10"
+          cache: 'pip'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+    
+      - name: Setup pytest-xdist arguments
+        run: |
+          echo "Will be using $pytest_cpus to run tests"
+          export xdist_args="-n $pytest_cpus"
+
+      - name: Run tests
+        run: echo pytest $xdist_args tests