old_contents: #
  # For the license of this file, please consult the LICENSE file in the
  # root directory of this distribution.
  #
  
  # All tests in the test suite.
  __all__ = ( "bitfield_tests", "zscii_tests" )
  
new_contents: #
  # For the license of this file, please consult the LICENSE file in the
  # root directory of this distribution.
  #
  
  # All tests in the test suite.
  __all__ = ( "bitfield_tests", "zscii_tests", "lexer_tests", "glk_tests" )
  
subject: Make run_tests run all tests if no arguments are provided.