svelte/test/runtime/samples/await-in-removed-if/_config.js

let fulfil;

const promise = new Promise(f => {
	fulfil = f;
});

export default {
	props: {
		promise
	},

	html: ``,

	async test({ assert, component, target }) {
		component.condition = false;

		fulfil();
		await new Promise(f => setTimeout(f, 0));

		assert.htmlEqual(target.innerHTML, ``);
	}
};