class Test::Unit::Assertions::AssertExceptionHelper::WrappedException

def default_inspect?
  inspect_method = @exception.method(:inspect)
  if inspect_method.respond_to?(:owner) and
      inspect_method.owner == Exception
    true
  else
    default_inspect_method = Exception.instance_method(:inspect)
    default_inspect_method.bind(@exception).call == @exception.inspect
  end
end