add test to github action

.github/workflows/image.yml

@@ -1,6 +1,7 @@
 name: build docker image
 
 on:
+  workflow_dispatch:
   push:
     branches:
       - "**"
@@ -13,6 +14,8 @@ jobs:
     steps:
       - name: Checkout the code
         uses: actions/checkout@v2
+      - name: Test
+        run: sudo apt-get -qq update && sudo apt-get install -y devscripts shellcheck && make test
       - name: Install buildx
         id: buildx
         uses: crazy-max/ghaction-docker-buildx@v1