new_contents: 
  from nose.tools import assert_equal, assert_almost_equal, assert_true, \
      assert_false, assert_raises, assert_is_instance
  
  from subprocess import call
  
  from ksatools import loadfile, calcmedian, calccumsum
  
  import numpy as np
  from numpy import array
  
  def test_01():
      data = loadfile("../test/test01.21")
      cn, c1, yd, yo, zd, zo = calccumsum(data)
     
      pass
  
  
subject: Add skeleton for statistics-sanity check tests