add tests workflow

.github/workflows/build.yml

@@ -1,6 +1,10 @@
 name: Build Package
 
-on: [push]
+on:
+  push:
+    branches: [ "master", "feature/cli-installer-v2" ] # should change once we have a stable branch
+  pull_request:
+    branches: [ "master", "feature/cli-installer-v2" ]
 
 jobs:
   build:

.github/workflows/tests.yaml

@@ -0,0 +1,24 @@
+name: Tests
+
+on: [push]
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        node-version: [16.x]
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+    steps:
+      - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: Configure NPM Token
+        run: npm config set //registry.npmjs.org/:_authToken=${{ secrets.NPM_TOKEN }}
+      - name: Install dependencies
+        run: npm install
+      - name: Run Tests
+        run: npm run test:ci
+