add test

Author: ttop32

.github/workflows/test.yml

@@ -0,0 +1,22 @@
+name: Test Extension
+
+on:
+    workflow_dispatch:
+
+jobs:
+    test:
+        runs-on: ubuntu-latest
+        strategy:
+            matrix:
+                node-version: [18.x]
+        steps:
+            - uses: actions/checkout@v3
+
+            - name: Use Node.js ${{ matrix.node-version }}
+                uses: actions/setup-node@v3
+                with:
+                    node-version: ${{ matrix.node-version }}
+            - run: npm ci
+
+            - name: Run Jest tests
+                run: npx jest