diff --git a/example/integration_test/util.dart b/example/integration_test/util.dart
index 3bf631e6..031873ad 100644
--- a/example/integration_test/util.dart
+++ b/example/integration_test/util.dart
@@ -159,7 +159,7 @@ class MyChromeSafariBrowser extends ChromeSafariBrowser {
   @override
   void onPostMessage(String message) {
     if (!postMessageReceived.isCompleted) {
-      postMessageReceived.complete();
+      postMessageReceived.complete(message);
     }
   }
 
diff --git a/lib/src/chrome_safari_browser/chrome_safari_browser.dart b/lib/src/chrome_safari_browser/chrome_safari_browser.dart
index 3090d895..0fe2ff2d 100755
--- a/lib/src/chrome_safari_browser/chrome_safari_browser.dart
+++ b/lib/src/chrome_safari_browser/chrome_safari_browser.dart
@@ -504,7 +504,8 @@ class ChromeSafariBrowser extends ChannelController {
   ///
   ///**Supported Platforms/Implementations**:
   ///- Android ([Official API - CustomTabsClient.getPackageName](https://developer.android.com/reference/androidx/browser/customtabs/CustomTabsClient#getPackageName(android.content.Context,java.util.List%3Cjava.lang.String%3E,boolean))))
-  static Future<String?> getPackageName({List<String>? packages, bool ignoreDefault = false}) async {
+  static Future<String?> getPackageName(
+      {List<String>? packages, bool ignoreDefault = false}) async {
     Map<String, dynamic> args = <String, dynamic>{};
     args.putIfAbsent("packages", () => packages);
     args.putIfAbsent("ignoreDefault", () => ignoreDefault);