selectable.go
func (s *selectable) FindByLink(text string) *Selection {
	return newSelection(s.session, s.selectors.Append(target.Link, text).Single())
}
func (s *selectable) FindByLink(text string) *Selection {
	return newSelection(s.session, s.selectors.Append(target.Link, text).Single())
}
// FindByLink finds exactly one anchor element by its text content.