Fix beta CI (#1311)

platform_design/lib/songs_tab.dart

@@ -83,15 +83,12 @@ class _SongsTabState extends State<SongsTab> {
   }
 
   void _togglePlatform() {
-    TargetPlatform _getOppositePlatform() {
     if (defaultTargetPlatform == TargetPlatform.iOS) {
-        return TargetPlatform.android;
+      debugDefaultTargetPlatformOverride = TargetPlatform.android;
     } else {
-        return TargetPlatform.iOS;
-      }
+      debugDefaultTargetPlatformOverride = TargetPlatform.iOS;
     }
 
-    debugDefaultTargetPlatformOverride = _getOppositePlatform();
     // This rebuilds the application. This should obviously never be
     // done in a real app but it's done here since this app
     // unrealistically toggles the current platform for demonstration

web/_tool/verify_packages.dart

@@ -11,8 +11,6 @@ import 'common.dart';
 void main() async {
   final packageDirs = listPackageDirs(Directory.current)
       .map((path) => p.relative(path, from: Directory.current.path))
-      // TODO: remove this when `slide_puzzle` is removed from samples repo
-      .where((path) => !path.contains('slide_puzzle'))
       .toList();
 
   print('Package dirs:\n${packageDirs.map((path) => '  $path').join('\n')}');