message: docs: add testing guide
diff: @@ -12,8 +12,8 @@ const sidebars = {
  'a11y',
  'html5-validation',
  'advanced-validation',
  - 'localization'
  - // 'testing'
  + 'localization',
  + 'testing'
  ],
  api: ['', 'rules'],
  examples: ['ui-libraries', 'i18n', 'multiple-forms', 'backend', 'nuxt']
  