exclude :test_aset_error, "needs investigation"
exclude :test_combination_with_callcc, "no callcc"
exclude :test_flatten_with_callcc, "no callcc"
exclude :test_modify_check, "needs investigation"
exclude :test_permutation_with_callcc, "no callcc"
exclude :test_product_with_callcc, "no callcc"
exclude :test_repeated_combination_with_callcc, "no callcc"
exclude :test_repeated_permutation_with_callcc, "no callcc"
exclude :test_rindex2, "needs investigation"
exclude :test_sample_random, "needs investigation"
exclude :test_shuffle_random, "needs investigation"
exclude :test_sort_with_callcc, "no callcc"