add test workflow

.github/workflows/test.yml

@@ -0,0 +1,22 @@
+name: Test
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main      
+  workflow_dispatch:   
+
+jobs:
+  run-test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 14
+      - run: |
+          npm install --audit=false --fund=false
+          npm test