The /Topology/multiple_selection_errors test currently fails and/or is flaky. It produces this error:

[No suitable servers found (`serverSelectionTryOnce` set): [Failed to resolve 'doesntexist'] [Failed to resolve 'example.com']] does not contain [calling hello on 'example.com:2']

The test is currently being skipped, so to work on it, it will first be necessary to remove it from .evergreen/skip-tests.txt and run a patch build to determine the current failure mode(s).