change os (#32)

Author: ying-jeanne

.github/workflows/go.yml

@@ -33,12 +33,15 @@ jobs:
 
   test:
     name: Tests
-    runs-on: ubuntu-latest
-    needs: supportedVersions
-
     strategy:
       matrix:
         go_version: ${{ fromJSON(needs.supportedVersions.outputs.supported_versions) }}
+        os: [ubuntu-latest, macos-latest, windows-latest] # Matrix for OS
+  
+    runs-on: ${{ matrix.os }}
+    needs: supportedVersions
+
+
 
     steps:
       - name: Checkout code