diff --git a/.github/workflows/test_calculadora.yml b/.github/workflows/test_calculadora.yml
new file mode 100644
index 0000000..0399fed
--- /dev/null
+++ b/.github/workflows/test_calculadora.yml
@@ -0,0 +1,27 @@
+name: Run Tests and Upload Artifact
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Run tests and generate report
+        run: node test/calculator.test.js
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: test-results
+          path: results/test-results.txt