(deftest test-tools ()
  (test-data)
  (test-discretize)
  (test-xindex-f)
  (test-xindex-majority-class)
  (test-index)
  (test-folds)
  (test-zeror)
  (test-prism)
  (test-nb)
  (test-abcd)
  (test-info-splitter)
  (test-id-trainer)
)