diff --git a/flutter_inappwebview/example/integration_test/headless_in_app_webview/convert_to_inappwebview.dart b/flutter_inappwebview/example/integration_test/headless_in_app_webview/convert_to_inappwebview.dart
index af88f38f42..17c853d0d8 100644
--- a/flutter_inappwebview/example/integration_test/headless_in_app_webview/convert_to_inappwebview.dart
+++ b/flutter_inappwebview/example/integration_test/headless_in_app_webview/convert_to_inappwebview.dart
@@ -26,6 +26,7 @@ void convertToInAppWebView() {
     expect(headlessWebView.isRunning(), true);
 
     final InAppWebViewController controller = await controllerCompleter.future;
+    await tester.pump();
     await pageLoaded.future;
 
     final String? url = (await controller.getUrl())?.toString();
@@ -55,6 +56,7 @@ void convertToInAppWebView() {
     );
     final InAppWebViewController widgetController =
         await widgetControllerCompleter.future;
+    await tester.pump();
 
     expect(headlessWebView.isRunning(), false);
 
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/get_content_height.dart b/flutter_inappwebview/example/integration_test/in_app_webview/get_content_height.dart
index 1e1635fc9f..570e8eba89 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/get_content_height.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/get_content_height.dart
@@ -33,9 +33,8 @@ void getContentHeight() {
     );
 
     final InAppWebViewController controller = await controllerCompleter.future;
-    await pageLoaded.future;
-
     await tester.pump();
+    await pageLoaded.future;
 
     final contentHeight = await controller.getContentHeight();
     expect(contentHeight, isNonZero);
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/get_favicons.dart b/flutter_inappwebview/example/integration_test/in_app_webview/get_favicons.dart
index d2ff44a21a..402e61b065 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/get_favicons.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/get_favicons.dart
@@ -33,6 +33,7 @@ void getFavicons() {
     );
 
     final InAppWebViewController controller = await controllerCompleter.future;
+    await tester.pump();
     await pageLoaded.future;
 
     final List<Favicon>? favicons = await controller.getFavicons();
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/get_html.dart b/flutter_inappwebview/example/integration_test/in_app_webview/get_html.dart
index a6230478f5..bd405621db 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/get_html.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/get_html.dart
@@ -33,6 +33,8 @@ void getHtml() {
     );
 
     final InAppWebViewController controller = await controllerCompleter.future;
+    // Platform view creation happens asynchronously.
+    await tester.pump();
     await pageLoaded.future;
 
     final String? html = await controller.getHtml();
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/get_meta_tags.dart b/flutter_inappwebview/example/integration_test/in_app_webview/get_meta_tags.dart
index e30b703e8c..c6bc57394f 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/get_meta_tags.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/get_meta_tags.dart
@@ -33,6 +33,7 @@ void getMetaTags() {
     );
 
     final InAppWebViewController controller = await controllerCompleter.future;
+    await tester.pump();
     await pageLoaded.future;
 
     List<MetaTag> metaTags = await controller.getMetaTags();
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/get_meta_theme_color.dart b/flutter_inappwebview/example/integration_test/in_app_webview/get_meta_theme_color.dart
index 15f8fe863b..b3cfcbfa2b 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/get_meta_theme_color.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/get_meta_theme_color.dart
@@ -33,6 +33,7 @@ void getMetaThemeColor() {
     );
 
     final InAppWebViewController controller = await controllerCompleter.future;
+    await tester.pump();
     await pageLoaded.future;
 
     expect(await controller.getMetaThemeColor(), isNotNull);
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/get_original_url.dart b/flutter_inappwebview/example/integration_test/in_app_webview/get_original_url.dart
index 635e95d913..182a4d1d44 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/get_original_url.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/get_original_url.dart
@@ -33,6 +33,7 @@ void getOriginalUrl() {
     );
 
     final InAppWebViewController controller = await controllerCompleter.future;
+    await tester.pump();
     await pageLoaded.future;
     var originUrl = (await controller.getOriginalUrl())?.toString();
     expect(originUrl, url.toString());
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/get_title.dart b/flutter_inappwebview/example/integration_test/in_app_webview/get_title.dart
index dcd4922447..78de31c0e1 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/get_title.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/get_title.dart
@@ -50,6 +50,7 @@ void getTitle() {
     );
 
     final InAppWebViewController controller = await controllerCompleter.future;
+    await tester.pump();
     await pageStarted.future;
     await pageLoaded.future;
 
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/initial_url_request.dart b/flutter_inappwebview/example/integration_test/in_app_webview/initial_url_request.dart
index 792467b3c4..bb93e4bbeb 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/initial_url_request.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/initial_url_request.dart
@@ -80,6 +80,8 @@ void initialUrlRequest() {
           ),
         ),
       );
+      // Platform view creation happens asynchronously.
+      await tester.pump();
 
       await pageLoaded.future;
       final InAppWebViewController controller =
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/inject_css.dart b/flutter_inappwebview/example/integration_test/in_app_webview/inject_css.dart
index cb55639412..108a0bdc20 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/inject_css.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/inject_css.dart
@@ -35,6 +35,7 @@ void injectCSS() {
 
       final InAppWebViewController controller =
           await controllerCompleter.future;
+      await tester.pump();
       await pageLoaded.future;
 
       await controller.injectCSSCode(source: """
@@ -74,6 +75,7 @@ void injectCSS() {
 
       final InAppWebViewController controller =
           await controllerCompleter.future;
+      await tester.pump();
       await pageLoaded.future;
 
       await controller.injectCSSFileFromUrl(
@@ -110,6 +112,7 @@ void injectCSS() {
 
       final InAppWebViewController controller =
           await controllerCompleter.future;
+      await tester.pump();
       await pageLoaded.future;
 
       await controller.injectCSSFileFromAsset(
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/inject_javascript_file.dart b/flutter_inappwebview/example/integration_test/in_app_webview/inject_javascript_file.dart
index 1f60b5c022..b85c28790b 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/inject_javascript_file.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/inject_javascript_file.dart
@@ -37,6 +37,7 @@ void injectJavascriptFile() {
 
       final InAppWebViewController controller =
           await controllerCompleter.future;
+      await tester.pump();
       await pageLoaded.future;
 
       await controller.injectJavascriptFileFromUrl(
@@ -97,6 +98,7 @@ void injectJavascriptFile() {
 
       final InAppWebViewController controller =
           await controllerCompleter.future;
+      await tester.pump();
       await pageLoaded.future;
 
       await controller.injectJavascriptFileFromAsset(
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/is_secure_context.dart b/flutter_inappwebview/example/integration_test/in_app_webview/is_secure_context.dart
index 3c5d8a6cc7..8457aff116 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/is_secure_context.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/is_secure_context.dart
@@ -34,6 +34,7 @@ void isSecureContext() {
     );
 
     final InAppWebViewController controller = await controllerCompleter.future;
+    await tester.pump();
     await pageLoads.stream.first;
     expect(await controller.isSecureContext(), true);
 
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/javascript_code_evaluation.dart b/flutter_inappwebview/example/integration_test/in_app_webview/javascript_code_evaluation.dart
index 8f9a683f2f..4ac6f3a6f2 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/javascript_code_evaluation.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/javascript_code_evaluation.dart
@@ -40,6 +40,7 @@ void javascriptCodeEvaluation() {
       );
       final InAppWebViewController controller =
           await controllerCompleter.future;
+      await tester.pump();
       await pageLoaded.future;
 
       var result = await controller.evaluateJavascript(source: """
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/load_data.dart b/flutter_inappwebview/example/integration_test/in_app_webview/load_data.dart
index e5fb32ee93..4ada282aab 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/load_data.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/load_data.dart
@@ -32,6 +32,8 @@ void loadData() {
     );
 
     final InAppWebViewController controller = await controllerCompleter.future;
+    // do not wait for pump to not miss the load event
+    tester.pump();
     await pageLoads.stream.first;
 
     final data = """
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/load_file.dart b/flutter_inappwebview/example/integration_test/in_app_webview/load_file.dart
index 09dbbcc85f..df857e5699 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/load_file.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/load_file.dart
@@ -32,6 +32,8 @@ void loadFile() {
     );
 
     final InAppWebViewController controller = await controllerCompleter.future;
+    // do not wait for pump to not miss the load event
+    tester.pump();
     await pageLoads.stream.first;
 
     await controller.loadFile(
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/load_url.dart b/flutter_inappwebview/example/integration_test/in_app_webview/load_url.dart
index bdb1f5beac..4fca151582 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/load_url.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/load_url.dart
@@ -39,6 +39,7 @@ void loadUrl() {
       ),
     );
     final InAppWebViewController controller = await controllerCompleter.future;
+    await tester.pump();
     expect(await firstUrlLoad.future, initialUrl.toString());
 
     await controller.loadUrl(
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/on_console_message.dart b/flutter_inappwebview/example/integration_test/in_app_webview/on_console_message.dart
index 495d12c4bb..a09ceb3ffc 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/on_console_message.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/on_console_message.dart
@@ -33,7 +33,7 @@ void onConsoleMessage() {
         ),
       ),
     );
-
+    await tester.pump();
     final ConsoleMessage consoleMessage =
         await onConsoleMessageCompleter.future;
     expect(consoleMessage.message, 'message');
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/on_scroll_changed.dart b/flutter_inappwebview/example/integration_test/in_app_webview/on_scroll_changed.dart
index 6903cbc890..7d4fe106dd 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/on_scroll_changed.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/on_scroll_changed.dart
@@ -38,9 +38,8 @@ void onScrollChanged() {
     );
 
     final InAppWebViewController controller = await controllerCompleter.future;
-    await pageLoaded.future;
-
     await tester.pump();
+    await pageLoaded.future;
 
     controller.scrollTo(x: 0, y: 500);
 
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/on_title_changed.dart b/flutter_inappwebview/example/integration_test/in_app_webview/on_title_changed.dart
index d0f6fb5a2d..cbcd342a99 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/on_title_changed.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/on_title_changed.dart
@@ -41,8 +41,8 @@ void onTitleChanged() {
     );
 
     final InAppWebViewController controller = await controllerCompleter.future;
-    await pageLoaded.future;
     await tester.pump();
+    await pageLoaded.future;
     await controller.evaluateJavascript(
         source: "document.title = 'title test';");
     await expectLater(onTitleChangedCompleter.future, completes);
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/on_update_visited_history.dart b/flutter_inappwebview/example/integration_test/in_app_webview/on_update_visited_history.dart
index 9976e81e49..a43f1e4b9b 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/on_update_visited_history.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/on_update_visited_history.dart
@@ -43,6 +43,7 @@ void onUpdateVisitedHistory() {
     );
 
     final InAppWebViewController controller = await controllerCompleter.future;
+    await tester.pump();
     await pageLoaded.future;
 
     await controller.evaluateJavascript(source: """
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/on_window_blur.dart b/flutter_inappwebview/example/integration_test/in_app_webview/on_window_blur.dart
index cb7b3282f9..0b1fe9c3db 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/on_window_blur.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/on_window_blur.dart
@@ -29,6 +29,7 @@ void onWindowBlur() {
         ),
       ),
     );
+    await tester.pump();
     await expectLater(onWindowBlurCompleter.future, completes);
   }, skip: shouldSkip);
 }
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/on_window_focus.dart b/flutter_inappwebview/example/integration_test/in_app_webview/on_window_focus.dart
index c07fe52823..ded782e106 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/on_window_focus.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/on_window_focus.dart
@@ -29,6 +29,7 @@ void onWindowFocus() {
         ),
       ),
     );
+    await tester.pump();
     await expectLater(onWindowFocusCompleter.future, completes);
   }, skip: shouldSkip);
 }
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/print_current_page.dart b/flutter_inappwebview/example/integration_test/in_app_webview/print_current_page.dart
index 13a11c0fd2..d38e206cba 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/print_current_page.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/print_current_page.dart
@@ -33,8 +33,8 @@ void printCurrentPage() {
     );
 
     final InAppWebViewController controller = await controllerCompleter.future;
-    await pageLoaded.future;
     await tester.pump();
+    await pageLoaded.future;
     await expectLater(controller.printCurrentPage(), completes);
   }, skip: shouldSkip);
 }
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/programmatic_scroll.dart b/flutter_inappwebview/example/integration_test/in_app_webview/programmatic_scroll.dart
index 640e7129d4..582c808afe 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/programmatic_scroll.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/programmatic_scroll.dart
@@ -69,9 +69,8 @@ void programmaticScroll() {
 
       final InAppWebViewController controller =
           await controllerCompleter.future;
-      await pageLoaded.future;
-
       await tester.pump();
+      await pageLoaded.future;
 
       await controller.scrollTo(x: 0, y: 0);
 
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/reload.dart b/flutter_inappwebview/example/integration_test/in_app_webview/reload.dart
index 5cdb218dac..b01c7fa285 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/reload.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/reload.dart
@@ -71,6 +71,8 @@ void reload() {
       );
       final InAppWebViewController controller =
           await controllerCompleter.future;
+      // do not wait for pump to not miss the load event
+      tester.pump();
       String? reloadUrl = await pageLoads.stream.first;
       expect(reloadUrl, url.toString());
 
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/set_get_settings.dart b/flutter_inappwebview/example/integration_test/in_app_webview/set_get_settings.dart
index 2c5a6d0faa..5bea368cac 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/set_get_settings.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/set_get_settings.dart
@@ -32,6 +32,8 @@ void setGetSettings() {
         ),
       ),
     );
+    // Platform view creation happens asynchronously.
+    await tester.pumpAndSettle();
     final InAppWebViewController controller = await controllerCompleter.future;
     await pageLoaded.future;
 
diff --git a/flutter_inappwebview/example/integration_test/in_app_webview/webview_windows.dart b/flutter_inappwebview/example/integration_test/in_app_webview/webview_windows.dart
index 1db16a354e..cc6eb33386 100644
--- a/flutter_inappwebview/example/integration_test/in_app_webview/webview_windows.dart
+++ b/flutter_inappwebview/example/integration_test/in_app_webview/webview_windows.dart
@@ -49,7 +49,7 @@ void webViewWindows() {
           ),
         ),
       );
-
+      await tester.pump();
       await expectLater(pageLoaded.future, completes);
     }, skip: shouldSkipTest1);
 
diff --git a/flutter_inappwebview_web/lib/assets/web/web_support.js b/flutter_inappwebview_web/lib/assets/web/web_support.js
index 031222d0b0..e3893d874f 100644
--- a/flutter_inappwebview_web/lib/assets/web/web_support.js
+++ b/flutter_inappwebview_web/lib/assets/web/web_support.js
@@ -1,6 +1,12 @@
 window.flutter_inappwebview = {
     webViews: {},
-    createFlutterInAppWebView: function(viewId, iframeId) {
+    /**
+     * @param viewId {number | string}
+     * @param iframe {HTMLIFrameElement}
+     * @param iframeContainer {HTMLDivElement}
+     */
+    createFlutterInAppWebView: function(viewId, iframe, iframeContainer) {
+        const iframeId = iframe.id;
         var webView = {
             viewId: viewId,
             iframeId: iframeId,
@@ -19,8 +25,6 @@ window.flutter_inappwebview = {
             },
             prepare: function(settings) {
                 webView.settings = settings;
-                var iframe = document.getElementById(iframeId);
-                var iframeContainer = document.getElementById(iframeId + '-container');
 
                 document.addEventListener('fullscreenchange', function(event) {
                     // document.fullscreenElement will point to the element that
diff --git a/flutter_inappwebview_web/lib/web/in_app_web_view_web_element.dart b/flutter_inappwebview_web/lib/web/in_app_web_view_web_element.dart
index 22fd79f8fa..ff10fcdefa 100644
--- a/flutter_inappwebview_web/lib/web/in_app_web_view_web_element.dart
+++ b/flutter_inappwebview_web/lib/web/in_app_web_view_web_element.dart
@@ -60,7 +60,7 @@ class InAppWebViewWebElement implements Disposable {
     bridgeJsObject = js.JsObject.fromBrowserObject(
         js.context[WebPlatformManager.BRIDGE_JS_OBJECT_NAME]);
     bridgeJsObject['webViews'][_viewId] = bridgeJsObject
-        .callMethod("createFlutterInAppWebView", [_viewId, iframe.id]);
+        .callMethod("createFlutterInAppWebView", [_viewId, iframe, iframeContainer]);
   }
 
   /// Handles method calls over the MethodChannel of this plugin.
@@ -203,7 +203,7 @@ class InAppWebViewWebElement implements Disposable {
           initialFile = webView.initialFile;
 
           bridgeJsObject['webViews'][_viewId] = bridgeJsObject
-              .callMethod("createFlutterInAppWebView", [_viewId, iframe.id]);
+              .callMethod("createFlutterInAppWebView", [_viewId, iframe, iframeContainer]);
         }
       }
     }