test_heapq:test_check_linked_tournament_tree_in_place

def test_check_linked_tournament_tree_in_place():
        import heapq
>       assert hasattr(heapq, '_MergeNode')
E       AssertionError: assert False
E        +  where False = hasattr(<module 'heapq' from '/build_dir/pypy-c-jit-linux-x86-64/build/lib-python/3/heapq.py'>, '_MergeNode')

../build/extra_tests/test_heapq.py:45: AssertionError

builder: pypy-c-jit-linux-x86-64 build #11855+

test: test_heapq:test_check_linked_tournament_tree_in_place