diff --git a/test/widget_test.dart b/test/widget_test.dart
index 710bdd5..2570572 100644
--- a/test/widget_test.dart
+++ b/test/widget_test.dart
@@ -44,6 +44,22 @@ void main() {
     expect(urls, ['https://h5-test.imharry.work/']);
   });
 
+  test('keeps fixed bootstrap H5 line for loopback browser access', () {
+    final urls = AppConfig.defaultH5LineUrlsForBaseUri(
+      Uri.parse('http://127.0.0.1:3000/'),
+    );
+
+    expect(urls, ['https://h5-test.imharry.work/']);
+  });
+
+  test('keeps fixed bootstrap H5 line for native app access', () {
+    final urls = AppConfig.defaultH5LineUrlsForBaseUri(
+      Uri.parse('file:///android_asset/flutter_assets/'),
+    );
+
+    expect(urls, ['https://h5-test.imharry.work/']);
+  });
+
   test('uses fixed client config query parameters', () {
     expect(AppConfig.clientConfigQueryPayload, {
       'device': 'h5',