Fix lint warnings (#1422)

Author: daohoangson

demo_app/lib/screens/wordpress.dart

@@ -160,7 +160,7 @@ class _PostsState extends State<_PostsList> {
     );
   }
 
-  List<_Post> _parseJson(json) {
+  List<_Post> _parseJson(dynamic json) {
     final posts = <_Post>[];
     if (json is List) {
       for (final postJson in json) {

packages/core/test/core_config_test.dart

@@ -522,7 +522,7 @@ void main() {
         _OnTapUrlApp(
           href: href,
           onTapCallbackResults: onTapCallbackResults,
-          onTapUrl: (_) async => false,
+          onTapUrl: (_) => false,
         ),
       );
       await tester.pumpAndSettle();
@@ -539,7 +539,7 @@ void main() {
         _OnTapUrlApp(
           href: href,
           onTapCallbackResults: onTapCallbackResults,
-          onTapUrl: (_) async => true,
+          onTapUrl: (_) => true,
         ),
       );
       await tester.pumpAndSettle();

packages/enhanced/test/_.dart

@@ -37,7 +37,7 @@ Future<String> explain(
   Widget? hw,
   GlobalKey? key,
   bool useExplainer = true,
-}) async {
+}) {
   key ??= helper.hwKey;
   return helper.explain(
     tester,

packages/enhanced/test/config_test.dart

@@ -508,7 +508,7 @@ void main() {
         tester,
         HtmlWidget(
           '<a href="$href">Tap me</a>',
-          onTapUrl: (url) async {
+          onTapUrl: (url) {
             urls.add(url);
             return false;
           },
@@ -529,7 +529,7 @@ void main() {
         tester,
         HtmlWidget(
           '<a href="$href">Tap me</a>',
-          onTapUrl: (url) async {
+          onTapUrl: (url) {
             urls.add(url);
             return true;
           },

packages/fwfh_just_audio/test/_.dart

@@ -22,7 +22,7 @@ Future<String> explain(
   WidgetTester tester,
   String html, {
   bool useExplainer = true,
-}) async =>
+}) =>
     helper.explain(
       tester,
       null,

packages/fwfh_svg/test/_.dart

@@ -27,7 +27,7 @@ Future<String> explain(
   WidgetTester tester,
   String html, {
   bool useExplainer = true,
-}) async =>
+}) =>
     helper.explain(
       tester,
       null,

packages/fwfh_url_launcher/test/_.dart

@@ -6,7 +6,7 @@ import '../../core/test/_.dart' as helper;
 
 const tapText = helper.tapText;
 
-Future<String> explain(WidgetTester tester, String html) async =>
+Future<String> explain(WidgetTester tester, String html) =>
     helper.explain(
       tester,
       null,

packages/fwfh_webview/test/_.dart

@@ -45,7 +45,7 @@ Future<String> explain(
   String html, {
   Uri? baseUrl,
   bool useExplainer = true,
-}) async =>
+}) =>
     helper.explain(
       tester,
       null,

packages/fwfh_webview/test/mock_webview_platform.dart

@@ -74,7 +74,7 @@ abstract class FakeWebViewController extends PlatformWebViewController {
   FutureOr<NavigationDecision?> onNavigationRequest({
     required String url,
     required bool isMainFrame,
-  }) async {
+  }) {
     final req = NavigationRequest(url: url, isMainFrame: isMainFrame);
     return _handler?._onNavigationRequest?.call(req);
   }