Try setting separate test steps for Windows vs Linux/Mac

Author: tleonhardt

.github/workflows/tests.yml

@@ -35,11 +35,15 @@ jobs:
       - name: Install the project
         run: uv sync --all-extras --dev
 
-      - name: Run tests
+      - name: Run Windows tests
         if: runner.os == 'Windows'
         shell: cmd
         run: uv run python -Xutf8 -m pytest --cov --cov-config=pyproject.toml --cov-report=xml tests
 
+      - name: Run Mac/Linux tests
+        if: runner.os == 'Linux' || runner.os == 'macOS'
+        run: uv run python -Xutf8 -m pytest --cov --cov-config=pyproject.toml --cov-report=xml tests
+
       - name: Upload test results to Codecov
         if: ${{ !cancelled() }}
         uses: codecov/test-results-action@v1