diff --git a/test/file_storage_test.dart b/test/file_storage_test.dart
index 58d53184..8a2a838a 100644
--- a/test/file_storage_test.dart
+++ b/test/file_storage_test.dart
@@ -7,18 +7,23 @@ import 'package:journal/note.dart';
 import 'package:journal/storage/file_storage.dart';
 import 'package:journal/storage/serializers.dart';
 
+DateTime nowWithoutMicro() {
+  var dt = DateTime.now();
+  return DateTime(dt.year, dt.month, dt.day, dt.hour, dt.minute, dt.second);
+}
+
 main() {
   group('FileStorage', () {
     var notes = [
-      Note(id: "1", body: "test", created: new DateTime.now()),
-      Note(id: "2", body: "test2", created: new DateTime.now()),
+      Note(id: "1", body: "test", created: nowWithoutMicro()),
+      Note(id: "2", body: "test2", created: nowWithoutMicro()),
     ];
 
     final directory = Directory.systemTemp.createTemp('__storage_test__');
     final storage = FileStorage(
       getDirectory: () => directory,
       noteSerializer: new JsonNoteSerializer(),
-      fileNameGenerator: (Note note) => note.id,
+      fileNameGenerator: (Note note) => note.id + '.md',
     );
 
     tearDownAll(() async {
@@ -30,8 +35,8 @@ main() {
       var dir = await storage.saveNotes(notes);
       expect(dir.listSync(recursive: true).length, 2);
 
-      expect(File(p.join(dir.path, "1")).existsSync(), isTrue);
-      expect(File(p.join(dir.path, "2")).existsSync(), isTrue);
+      expect(File(p.join(dir.path, "1.md")).existsSync(), isTrue);
+      expect(File(p.join(dir.path, "2.md")).existsSync(), isTrue);
     });
 
     test('Should load Notes from disk', () async {