diff --git a/test_bad.py b/test_bad.py
new file mode 100644
index 0000000..d60c4e6
--- /dev/null
+++ b/test_bad.py
@@ -0,0 +1,7 @@
+#  Adapted from the test_sample.py example in the pytest documentation
+
+def inc(x):
+    return x - 1
+
+def test_answer():
+    assert inc(3) == 4