Run tests on Windows

.github/workflows/ci.yml

@@ -8,7 +8,14 @@ on:
 
 jobs:
   ci:
-    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-latest
+          - windows-latest
+    name: ci - ${{matrix.os}}
+    runs-on: ${{matrix.os}}
     env:
       GOFLAGS: -mod=vendor
     steps:
@@ -27,7 +34,7 @@ jobs:
             ${{runner.os}}-go-
       - name: Test code
         run: |
-          ./test.sh
+          bash ./test.sh
   build:
     runs-on: ubuntu-latest
     env: