chore: add w3id tests github workflow

Author: coodos

.github/workflows/tests-w3id.yml

@@ -0,0 +1,35 @@
+name: Tests [W3ID]
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - 'infrastructure/w3id/**'
+  pull_request:
+    branches: [main]
+    paths:
+      - 'infrastructure/w3id/**'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Node.js 22
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: 'pnpm'
+
+      - name: Install pnpm
+        run: npm install -g pnpm
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Run tests
+        run: pnpm test
+