Add test workflow

.github/workflows/test.yml

@@ -0,0 +1,18 @@
+name: Test
+on:
+  push:
+  workflow_dispatch:
+jobs:
+  test:
+    strategy:
+      matrix:
+        node-version: ['16.x', '18.x', '20.x']
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: npm ci
+      - run: npm run test

package.json

@@ -8,7 +8,7 @@
     "*.ts"
   ],
   "scripts": {
-    "test": "node --loader ts-node/esm --enable-source-maps --test index.ts",
+    "test": "node --loader ts-node/esm --enable-source-maps --test test.ts",
     "build": "tsc"
   },
   "peerDependencies": {