Setup npm and yarn test (#4)

.github/workflows/ci.yml

@@ -46,3 +46,49 @@ jobs:
 
       - name: Test
         run: pnpm test
+
+  test-npm:
+    name: Test npm
+    timeout-minutes: 5
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 16
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Test
+        run: npm test
+
+  test-yarn:
+    name: Test yarn PnP
+    timeout-minutes: 5
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Use yarn 3
+        run: cat package.json | jq '.packageManager = "[email protected]"' | tee package.json
+
+      - name: Setup node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 16
+
+      - name: Enable corepack
+        run: corepack enable
+
+      - name: Install dependencies
+        run: yarn
+        env:
+          YARN_ENABLE_IMMUTABLE_INSTALLS: false
+
+      - name: Test
+        run: yarn test