import * as assert from 'assert' ; import CustomElement from './main.svelte' ; export default function ( target ) { customElements . define ( 'no-tag' , CustomElement ) ; target . innerHTML = '<no-tag name="world"></no-tag>' ; const el = target . querySelector ( 'no-tag' ) ; const h1 = el . shadowRoot . querySelector ( 'h1' ) ; assert . equal ( h1 . textContent , 'Hello world!' ) ; }