add test action

.github/workflows/test.yml

@@ -0,0 +1,20 @@
+name: Build and Test
+
+on: [push]
+
+jobs:
+  test:
+    runs-on: [ubuntu-latest]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Install NodeJS
+        uses: dcodeIO/setup-node-nvm@master
+        with:
+          node-version: lts/* 
+
+      - run: npm i
+
+      - name: Run tests
+        run: npm test