diff --git a/tests/test_demo.py b/tests/test_demo.py
index 867f2fd8..e2f42aef 100644
--- a/tests/test_demo.py
+++ b/tests/test_demo.py
@@ -2,9 +2,10 @@ def test_demo_ok():
     assert 1 + 1 == 2
 
 
-def test_demo_ko():
-    assert 1 + 1 == 3
-
-
-def test_demo_exception():
-    return 1 / 0
+# # Uncomment to fail the tests
+# def test_demo_ko():
+#     assert 1 + 1 == 3
+#
+#
+# def test_demo_exception():
+#     return 1 / 0