exclude :test_generator, "missing FrozenError"
exclude :test_initialize_copy, "missing TypeError"
exclude :test_inspect, "unfinished in initial 2.6 work, #6161"
exclude :test_lazy_chain_under_gc_compact_stress, "GC is not configurable"
exclude :test_stopiteration_rescue, "pure-Ruby Enumerator methods show up in backtrace"
exclude :test_with_index_large_offset, "needs investigation"
exclude :test_with_index_under_gc_compact_stress, "GC is not configurable"
