rename test stub file name

Author: luiges90

lib/flutter_force_permission.dart

@@ -4,7 +4,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_force_permission/flutter_force_permission_config.dart';
 import 'package:flutter_force_permission/permission_service_status.dart';
 import 'package:flutter_force_permission/src/flutter_force_permission_util.dart';
-import 'package:flutter_force_permission/src/permission_service.dart';
+import 'package:flutter_force_permission/src/test_stub.dart';
 import 'package:flutter_force_permission/src/views/disclosure_page.dart';
 import 'package:permission_handler/permission_handler.dart';
 

lib/src/permission_service.dart renamed to lib/src/test_stub.dart

@@ -3,7 +3,7 @@ import 'package:permission_handler/permission_handler.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 /// 3rd party libraries relies too many on static methods which are unmockable
-/// and hence untestable. This service wraps permission_handler methods
+/// and hence untestable. This service wraps those methods
 /// so that it can be tested.
 /// https://github.com/Baseflow/flutter-permission-handler/issues/262
 class TestStub {

lib/src/views/disclosure_page.dart

@@ -7,7 +7,7 @@ import 'package:flutter_force_permission/permission_item_config.dart';
 import 'package:flutter_force_permission/permission_item_text.dart';
 import 'package:flutter_force_permission/permission_service_status.dart';
 import 'package:flutter_force_permission/src/flutter_force_permission_util.dart';
-import 'package:flutter_force_permission/src/permission_service.dart';
+import 'package:flutter_force_permission/src/test_stub.dart';
 import 'package:permission_handler/permission_handler.dart';
 
 /// Disclosure page.

test/unit_test/flutter_force_permission_test.dart

@@ -4,7 +4,7 @@ import 'package:flutter_force_permission/flutter_force_permission.dart';
 import 'package:flutter_force_permission/flutter_force_permission_config.dart';
 import 'package:flutter_force_permission/permission_item_config.dart';
 import 'package:flutter_force_permission/permission_item_text.dart';
-import 'package:flutter_force_permission/src/permission_service.dart';
+import 'package:flutter_force_permission/src/test_stub.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:mockito/annotations.dart';
 import 'package:mockito/mockito.dart';

test/widget_test/disclosure_page_test.dart

@@ -7,7 +7,7 @@ import 'package:flutter_force_permission/forced_permission_dialog_config.dart';
 import 'package:flutter_force_permission/permission_item_config.dart';
 import 'package:flutter_force_permission/permission_item_text.dart';
 import 'package:flutter_force_permission/permission_service_status.dart';
-import 'package:flutter_force_permission/src/permission_service.dart';
+import 'package:flutter_force_permission/src/test_stub.dart';
 import 'package:flutter_force_permission/src/views/disclosure_page.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:mockito/annotations.dart';