chore: update the npm publish workflow

Author: dukeluo

.github/workflows/npm.yml

@@ -1,8 +1,7 @@
 name: Publishing to NPM
-on:
-  push:
-    branches:
-      - master
+
+on: push
+
 jobs:
   publish:
     runs-on: ubuntu-latest
@@ -12,6 +11,7 @@ jobs:
         with:
           node-version: 12
       - run: npm install
+      - run: npm test
       - id: publish
         uses: JS-DevTools/npm-publish@v1
         with: