restore tests

Author: willmcgugan

.github/workflows/pythonpackage.yml

@@ -19,8 +19,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        #os: [ubuntu-latest, windows-latest, macos-latest]
-        os: [windows-latest]
+        os: [ubuntu-latest, windows-latest, macos-latest]
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
     defaults:
       run: