diff --git a/test/utils.js b/test/utils.js
index d8896c1d306..9bf082942c1 100644
--- a/test/utils.js
+++ b/test/utils.js
@@ -231,4 +231,8 @@ function atomicWriteFileSync(filePath, contents) {
 	const stagingPath = filePath + '_';
 	fs.writeFileSync(stagingPath, contents);
 	fs.renameSync(stagingPath, filePath);
+	// It appears that on MacOS, it sometimes takes long for the file system to update
+	const file = fs.openSync(filePath);
+	fs.fsyncSync(file);
+	fs.closeSync(file);
 }