diff --git a/tox.ini b/tox.ini
index 2e936c49659..d86c38965a8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -20,6 +20,8 @@ passenv =
     # variable error. See issue: #20424
     HOME
 
+[pytest]
+xfail_strict = true
 
 [flake8]
 # These are things that the devs don't agree make the code more readable