Function setup

packages/vue/__tests__/e2e/TransitionGroup.spec.ts:730–735

()

          components: {
            Child: {
              setup() {
                return () =>
                  show.value
                    ? h('div', { class: 'test' }, 'child')
                    : createCommentVNode('v-if', true)
              },
            },
          },
          setup: () => {