feat: add more tests for tool built-ins (#5)

.github/workflows/ci.yml

@@ -41,11 +41,16 @@ jobs:
           bun-version: 1.3.0
 
       - name: Install dependencies
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: bun install
 
       - name: Lint
         run: bun run lint
 
+      - name: Run tests
+        run: bun test
+
       - name: Build bundle
         run: bun run build