👷 Add tests ci

.github/workflows/tests.yml

@@ -0,0 +1,21 @@
+name: Tests
+
+on:
+  push:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Use Node.js 18
+        uses: actions/setup-node@v1
+        with:
+          node-version: 18
+
+      - run: npm ci
+
+      - run: npm test
+

package.json

@@ -8,7 +8,7 @@
     "build": "tsc && vite build",
     "lint": "eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0",
     "preview": "vite preview",
-    "test": "jest --watch"
+    "test": "jest"
   },
   "dependencies": {
     "@lit/react": "^1.0.3",