Function describe

test/__d8.mjs:20–25

(name, fn, path)

const processors = {
	async describe(name, fn, path) {
		stack.push(name);
		log('INFO', name);
		await fn();
		stack.pop();
	},
	async test(name, fn, path) {
		let stackBefore = stack;
		stack = path.concat(name);