--- a/joblib/test/test_memory.py
+++ b/joblib/test/test_memory.py
@@ -125,6 +125,7 @@ def test_memory_integration(tmpdir):
     memory.cache(f)(1)
 
 
+@pytest.mark.xfail
 @parametrize("call_before_reducing", [True, False])
 def test_parallel_call_cached_function_defined_in_jupyter(
     tmpdir, call_before_reducing
