use separate directory for test

wait a bit after creating files

.gitignore

@@ -3,6 +3,7 @@
 /test/browsertest/js
 /test/fixtures/temp-*
 /test/temp
+/test/ChangesAndRemovals
 /benchmark/js
 /benchmark/fixtures
 /examples/**/dist

test/ChangesAndRemovals.test.js

@@ -12,7 +12,7 @@ const createCompiler = config => {
 	return compiler;
 };
 
-const tempFolderPath = path.join(__dirname, "temp");
+const tempFolderPath = path.join(__dirname, "ChangesAndRemovalsTemp");
 const tempFilePath = path.join(tempFolderPath, "temp-file.js");
 const tempFile2Path = path.join(tempFolderPath, "temp-file2.js");
 
@@ -49,27 +49,19 @@ function cleanup(callback) {
 }
 
 function createFiles() {
-	// Set file timestamps to 5 seconds earlier,
+	fs.mkdirSync(tempFolderPath, { recursive: true });
-	// otherwise the newly-created files will trigger the webpack watch mode to re-compile.
-	let fakeTime = new Date(Date.now() - 5000);
-
-	fs.mkdirSync(tempFolderPath);
-	fs.utimesSync(tempFolderPath, fakeTime, fakeTime);
-	fs.utimesSync(path.dirname(tempFolderPath), fakeTime, fakeTime);
 
 	fs.writeFileSync(
 		tempFilePath,
 		"module.exports = function temp() {return 'temp file';};\n require('./temp-file2')",
 		"utf-8"
 	);
-	fs.utimesSync(tempFilePath, fakeTime, fakeTime);
 
 	fs.writeFileSync(
 		tempFile2Path,
 		"module.exports = function temp2() {return 'temp file 2';};",
 		"utf-8"
 	);
-	fs.utimesSync(tempFile2Path, fakeTime, fakeTime);
 }
 
 describe("ChangesAndRemovals", () => {
@@ -84,7 +76,9 @@ describe("ChangesAndRemovals", () => {
 		cleanup(err => {
 			if (err) return done(err);
 			createFiles();
-			done();
+			// Wait 2.5s after creating the files,
+			// otherwise the newly-created files will trigger the webpack watch mode to re-compile.
+			setTimeout(done, 2500);
 		});
 	});
 	afterEach(cleanup);