sweep: Create .github/workflows/test.yml

.github/workflows/test.yml

+name: Run Tests
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Setup Node.js
+      uses: actions/setup-node@v2
+      with:
+        node-version: '18'
+
+    - name: Install dependencies
+      run: |
+        npm i -g pnpm
+        pnpm install
+
+    - name: Run tests
+      run: pnpm run test
\ No newline at end of file