old_contents: ### based on "test_exemplars" in test_validate.py
  ### not sure all these imports are needed
  import unittest
  import pytest
  import logging, os
  from lxml.etree import RelaxNG, parse, DocumentInvalid
  import palaso.sldr.UnicodeSets as usets
  
  def iscldr(ldml):
      i = ldml.ldml.find(".//identity/special/sil:identity")
      if i is not None and i.get('source', "") == "cldr":
          return True
      return False
  
  def test_autonym(ldml):
      filename = os.path.basename(ldml.ldml.fname)    # get filename for reference
  
      if iscldr(ldml):    # short circuit CLDR for now until they/we resolve the faults in their data
          return
  
  #   get main exemplar
      main = None
      for e in ldml.ldml.root.findall('.//characters/exemplarCharacters'):
          t = e.get('type', None)
          if t: continue
          main_exem = e.text
          main = usets.parse(main_exem, 'NFD')
          break
      if not main:
  #        assert False, filename + " has no main exemplar" ### should be target of another test
          return
  
  #   get language id
      langid = ldml.ldml.root.find("identity/language").get("type")
      ### should be target of another test:
      ### could check that filename.split('_')[0] == langid
      #assert filename.split('_')[0] == langid, filename + " " + langid + " don't correspond" 
  
  #   get name of this language
      names = ldml.ldml.root.find("localeDisplayNames/languages")
      if names is None:
  #        assert False, filename + " has no localeDisplayNames"
          return
      autonym = names.findall('language[@type="{0}"]'.format(langid))
      if autonym is None: 
          assert False, filename + " " + langid + ": Name of language in this language is missing"
          return 
      autonym_text = autonym[0].text.lower()
      if len(autonym_text) < 1:
          assert False, filename + " " + langid + ": Name of language in this language is empty"
          return
  #   The real test: is every character in lower case version of autonym in main exemplar?
      nameset = usets.parse("[" + " ".join(set(autonym_text)) + "]", 'NFD')
      assert nameset <= main, filename + " " + langid + ": Name of language (" + autonym_text + ") contains characters not in main exemplar " + main_exem
  
new_contents: ### based on "test_exemplars" in test_validate.py
  ### not sure all these imports are needed
  import unittest
  import pytest
  import logging, os
  from lxml.etree import RelaxNG, parse, DocumentInvalid
  import palaso.sldr.UnicodeSets as usets
  
  def iscldr(ldml):
      i = ldml.ldml.find(".//identity/special/sil:identity")
      if i is not None and i.get('source', "") == "cldr":
          return True
      return False
  
  def test_autonym(ldml):
      filename = os.path.basename(ldml.ldml.fname)    # get filename for reference
  
      if iscldr(ldml):    # short circuit CLDR for now until they/we resolve the faults in their data
          return
  
  #   get main exemplar
      main = None
      for e in ldml.ldml.root.findall('.//characters/exemplarCharacters'):
          t = e.get('type', None)
          if t: continue
          main_exem = e.text
          main = usets.parse(main_exem, 'NFD')
          break
      if not main:
  #        assert False, filename + " has no main exemplar" ### should be target of another test
          return
  
  #   get language id
      langid = ldml.ldml.root.find("identity/language").get("type")
      ### should be target of another test:
      ### could check that filename.split('_')[0] == langid
      #assert filename.split('_')[0] == langid, filename + " " + langid + " don't correspond" 
  
  #   get name of this language
      names = ldml.ldml.root.find("localeDisplayNames/languages")
      if names is None:
  #        assert False, filename + " has no localeDisplayNames"
          return
      autonym = names.findall('language[@type="{0}"]'.format(langid))
      if autonym is None: 
          assert False, filename + " " + langid + ": Name of language in this language is missing"
          return 
      autonym_text = autonym[0].text.lower()
      if len(autonym_text) < 1:
          assert False, filename + " " + langid + ": Name of language in this language is empty"
          return
  #   The real test: is every character in lower case version of autonym in main exemplar?
      nameset = usets.parse("[" + " ".join(set(autonym_text.replace(",",""))) + "]", 'NFD')
      assert nameset <= main, filename + " " + langid + ": Name of language (" + autonym_text + ") contains characters not in main exemplar " + main_exem
  
subject: remove , from autonym test