test: emit file in a random order

test/chunking-form/samples/emit-file/deduplicate-assets/_config.js

@@ -1,33 +1,18 @@
-function asyncify(callback) {
-	const time = Math.round(Math.random() * 100);
-
-	return new Promise(resolve => {
-		setTimeout(() => {
-			callback();
-			resolve();
-		}, time);
-	});
-}
 module.exports = {
 	description: 'deduplicates asset that have the same source',
 	options: {
 		input: ['main.js'],
 		plugins: {
-			async buildStart() {
-				await Promise.all([
-					asyncify(() => this.emitFile({ type: 'asset', name: 'string1.txt', source: 'string' })),
-					asyncify(() => this.emitFile({ type: 'asset', name: 'string2.txt', source: 'string' })),
-					asyncify(() =>
-						this.emitFile({ type: 'asset', name: 'stringSameSource.txt', source: 'string' })
-					),
-					asyncify(() =>
-						this.emitFile({
-							type: 'asset',
-							name: 'sameStringAsBuffer.txt',
-							source: Buffer.from('string') // Test cross Buffer/string deduplication
-						})
-					)
-				]);
+			buildStart() {
+				// emit 'string' source in a random order
+				this.emitFile({ type: 'asset', name: 'stringSameSource.txt', source: 'string' });
+				this.emitFile({ type: 'asset', name: 'string2.txt', source: 'string' });
+				this.emitFile({ type: 'asset', name: 'string1.txt', source: 'string' });
+				this.emitFile({
+					type: 'asset',
+					name: 'sameStringAsBuffer.txt',
+					source: Buffer.from('string') // Test cross Buffer/string deduplication
+				});
 
 				// Different string source
 				this.emitFile({ type: 'asset', name: 'otherString.txt', source: 'otherString' });