diff --git a/tests/test_sample.py b/tests/test_sample.py
new file mode 100644
index 00000000..7b817c65
--- /dev/null
+++ b/tests/test_sample.py
@@ -0,0 +1,6 @@
+def func(x):
+    return x + 1
+
+
+def test_answer():
+    assert func(3) == 5