selectable.go
func (s *selectable) FindForAppium(selectorType string, text string) *Selection {
	return newSelection(s.session, s.selectors.Append(target.Class, text).At(0))
}
func (s *selectable) FindForAppium(selectorType string, text string) *Selection {
	return newSelection(s.session, s.selectors.Append(target.Class, text).At(0))
}
// FirstByClass finds the first element with a given CSS class.