(diagnostic
  (schema slovo.diagnostic)
  (version 1)
  (severity error)
  (code InvalidTestName)
  (message "test name must be non-empty printable ASCII without quotes, backslashes, or newlines")
  (file "<fixture>")
  (span
    (bytes 22 33)
    (range 4 7 4 18)
  )
  (expected "non-empty printable ASCII without quotes, backslashes, or newlines")
)