[build] Run tests on Windows.

The use of temporary files for injecting fixtures into packages shows platform-specific behavior. As a result, it makes sense to run the tests on Windows as well, at least as long as the virtual module workaround is in place.

Signed-off-by: Michael Seifert <m.seifert@digitalernachschub.de>

.github/workflows/main.yml

@@ -56,11 +56,12 @@ jobs:
         path: dist
 
   test:
-    name: Python ${{ matrix.python-version }}
-    runs-on: ubuntu-latest
+    name: ${{ matrix.os }} - Python ${{ matrix.python-version }}
+    runs-on: ${{ matrix.os }}
 
     strategy:
       matrix:
+        os: [ubuntu-latest, windows-latest]
         python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
@@ -75,7 +76,6 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
-        set -xe
         python -VV
         python -m site
         python -m pip install --upgrade pip
@@ -85,6 +85,7 @@ jobs:
 
     - name: Store coverage data
       uses: actions/upload-artifact@v3
+      if: "!endsWith(matrix.os, 'windows')"
       with:
         name: coverage-per-interpreter
         path: .coverage.*