fixes before build 2

test/backup_format_test.dart

@@ -1,5 +1,5 @@
 import 'package:flutter_test/flutter_test.dart';
-import 'package:receipity/services/backup_format.dart';
+import 'package:groci/services/backup_format.dart';
 
 void main() {
   test('round-trips a backup document', () {
@@ -81,9 +81,10 @@ void main() {
     expect(parsed.shoppingLists.single['name'], 'Weekly');
     expect(parsed.shoppingListItems.single['name'], 'Milk');
     expect(parsed.images['products/product_1.jpg'], 'abc123');
+    expect(parsed.encode(), contains('"format": "groci-backup"'));
   });
 
-  test('accepts a version 1 backup without shopping lists', () {
+  test('accepts legacy receipity backup format', () {
     const json = '''
 {
   "format": "receipity-backup",
@@ -104,7 +105,7 @@ void main() {
     expect(parsed.shopTags, isEmpty);
   });
 
-  test('rejects a file that is not a Receipity backup', () {
+  test('rejects a file that is not a Groci backup', () {
     expect(
       () => BackupDocument.parse('{"hello":"world"}'),
       throwsFormatException,