old_contents: from __future__ import absolute_import, division, print_function
  
  from libtbx.test_utils.pytest import discover
  
  tst_list = discover()
  
  # To write tests for dials:
  
  # 1. Test file should be named test_*.py
  # 2. Test methods should be named test_*()
  # 3. Nothing else needed. Rest happens by magic.
  
  # To run dials tests:
  
  # run 'pytest' inside dials directory
  
  # For more information see:
  #   https://github.com/dials/dials/wiki/pytest
  
new_contents: from __future__ import absolute_import, division, print_function
  
  exit(
      """
  To run dials tests please run 'pytest' inside the dials directory
  
  For more information see:
    https://github.com/dials/dials/wiki/pytest
  """
  )
  
subject: disable libtbx testing for DIALS