[xmlunit/xmlunit.net] 53d7d5: try debugging appveyor build

[Stefan B. <no...@gi...>]

  Branch: refs/heads/main
  Home:   https://github.com/xmlunit/xmlunit.net
  Commit: 53d7d520227c93f430b503208372720e9853d000
      https://github.com/xmlunit/xmlunit.net/commit/53d7d520227c93f430b503208372720e9853d000
  Author: Stefan Bodewig <ste...@fr...>
  Date:   2022-01-23 (Sun, 23 Jan 2022)

  Changed paths:
    M appveyor.yml

  Log Message:
  -----------
  try debugging appveyor build