svelte/test/runtime/samples/store-auto-subscribe-in-each/_config.js

import { writable } from 'svelte/store';

export default {
	skip: true,

	get props() {
		return {
			things: [writable('a'), writable('b'), writable('c')]
		};
	},

	html: `
		<button>a</button>
		<button>b</button>
		<button>c</button>
	`,

	async test({ assert, component, target, window }) {
		const buttons = target.querySelectorAll('button');
		const click = new window.MouseEvent('click');

		await buttons[1].dispatchEvent(click);

		assert.htmlEqual(
			target.innerHTML,
			`
			<button>a</button>
			<button>B</button>
			<button>c</button>
		`
		);

		await component.things[1].set('d');

		assert.htmlEqual(
			target.innerHTML,
			`
			<button>d</button>
			<button>B</button>
			<button>c</button>
		`
		);
	}
};