message: test(storybook): add path pattern
diff: @@ -43,7 +43,12 @@ addDecorator(withContexts(i18nContexts) as StoryDecorator)
  function loadStories() {
  const req = require.context('../src', true, /\.stories\.tsx$/)
  - req.keys().forEach(filename => req(filename))
  + let files = req.keys()
  + if (process.env.STORYBOOK_PATH_PATTERN) {
  + const tester = new RegExp(process.env.STORYBOOK_PATH_PATTERN)
  + files = files.filter(filename => tester.test(filename))
  + }
  + files.forEach(filename => req(filename))
  }
  configure(loadStories, module)
  