diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..9c22d1a
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,16 @@
+name: Test the examples code for the git lesson
+on: push
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.13.1
+      - name: Install dependencies
+        run: pip install -vv pytest
+      - name: Run test
+        run: pytest -v -s --color=yes test.py
+
diff --git a/broken_python.py b/broken_python.py
new file mode 100644
index 0000000..8f0f730
--- /dev/null
+++ b/broken_python.py
@@ -0,0 +1,2 @@
+def add_one(x : int) -> int:
+    return x + 2
diff --git a/test.py b/test.py
new file mode 100644
index 0000000..c839c1d
--- /dev/null
+++ b/test.py
@@ -0,0 +1,5 @@
+
+def test_add_one():
+    from broken_python import add_one
+
+    assert add_one(1) == 2