diff --git a/tests/guinea-pigs/pytest/xfail_test.py b/tests/guinea-pigs/pytest/xfail_test.py
index <HASH>..<HASH> 100644
--- a/tests/guinea-pigs/pytest/xfail_test.py
+++ b/tests/guinea-pigs/pytest/xfail_test.py
@@ -1,7 +1,7 @@
 import pytest
 
 
-@pytest.mark.xfail("True", reason="xfail reason")
+@pytest.mark.xfail("True", reason="xfail reason", strict=True)
 def test_unexpectedly_passing():
     pass
fix xfail in tests