Don't test on windows

Author: AllenDowney

ThinkPythonSolutions/.github/workflows/tests.yml

@@ -0,0 +1,37 @@
+name: tests
+
+on:
+  push:
+    branches: [v3]
+  pull_request:
+  schedule:
+    # Run on the first of every month
+    - cron: "0 0 1 * *"
+  workflow_dispatch:
+
+jobs:
+  tests:
+    name: Tests (${{ matrix.os }}, Python ${{ matrix.python-version }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        # don't test on windows
+        os: [ubuntu-latest, macos-latest]
+        python-version: ["3.10"]
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements-dev.txt
+
+      - name: Run tests
+        run: |
+          make tests