Error found:
in module Main
at tests/purs/failing/OverlappingUnnamedInstances.purs:10:1 - 11:13 (line 10, column 1 - line 11, column 13)

  Overlapping type class instances found for
                 
    Main.Test Int
                 
  The following instances were found:

    instance in module Main with type forall a. Test a (line 7, column 1 - line 8, column 13)
    instance in module Main with type Test Int (line 10, column 1 - line 11, column 13)


in type class instance
               
  Main.Test Int
               

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