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ERROR: test_has_linktrail (tests.site_tests.TestLinktrails)
Verify that every code has a linktrail.
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Traceback (most recent call last):
  File "/home/runner/work/pywikibot/pywikibot/tests/site_tests.py", line 999, in test_has_linktrail
    site = pywikibot.Site(code, self.family)
  File "/home/runner/work/pywikibot/pywikibot/pywikibot/__init__.py", line 254, in Site
    _sites[key] = interface(code=code, fam=fam, user=user)
  File "/home/runner/work/pywikibot/pywikibot/pywikibot/site/_apisite.py", line 130, in __init__
    super().__init__(code, fam, user)
  File "/home/runner/work/pywikibot/pywikibot/pywikibot/site/_basesite.py", line 90, in __init__
    raise UnknownSiteError(error_msg)
pywikibot.exceptions.UnknownSiteError: Language 'rki' does not exist in family wikipedia