Error found:
at tests/purs/failing/ExpectedWildcard.purs:8:1 - 8:51 (line 8, column 1 - line 8, column 51)

  Expected a type wildcard (_) when deriving an instance for Test.


See https://github.com/purescript/documentation/blob/master/errors/ExpectedWildcard.md for more information,
or to contribute content related to this error.