Adding test workflow

.github/workflows/test.yml

@@ -0,0 +1,33 @@
+name: Test
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: Setup Node.js
+      uses:  actions/setup-node@v3
+      with:
+        node-version: '10'
+
+    - name: Install dependencies
+      run: npm ci
+
+    - name: Run lint
+      run: npm run lint
+
+    - name: Run test
+      run: npm run test
+
+    - name: Run build
+      run: npm run build
+
+    - name: Coveralls
+      uses: coverallsapp/github-action@master
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+        path-to-lcov: ${{ github.workspace }}/coverage/lcov.info