adding tests

Author: Christian Kellner

.github/workflows/test.yml

@@ -0,0 +1,27 @@
+name: Tests
+
+on:
+  push:
+    branches: [master]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run tests
+        run: npm test
+        env:
+          NODE_ENV: test
+          # Skip the 900 ms minimum response delay in CI to keep the suite fast.
+          AUTH_MIN_RESPONSE_MS: 0