diff --git a/dev/bots/check_code_samples.dart b/dev/bots/check_code_samples.dart
index 029e6322a1..8e4aab41d4 100644
--- a/dev/bots/check_code_samples.dart
+++ b/dev/bots/check_code_samples.dart
@@ -319,7 +319,6 @@ final Set<String> _knownMissingTests = <String>{
   'examples/api/test/material/filled_button/filled_button.0_test.dart',
   'examples/api/test/material/text_form_field/text_form_field.1_test.dart',
   'examples/api/test/material/scrollbar/scrollbar.1_test.dart',
-  'examples/api/test/material/scrollbar/scrollbar.0_test.dart',
   'examples/api/test/material/dropdown_menu/dropdown_menu.1_test.dart',
   'examples/api/test/material/radio/radio.toggleable.0_test.dart',
   'examples/api/test/material/radio/radio.0_test.dart',
diff --git a/examples/api/lib/material/scrollbar/scrollbar.0.dart b/examples/api/lib/material/scrollbar/scrollbar.0.dart
index d8a09486b6..07f1eb4646 100644
--- a/examples/api/lib/material/scrollbar/scrollbar.0.dart
+++ b/examples/api/lib/material/scrollbar/scrollbar.0.dart
@@ -29,6 +29,7 @@ class ScrollbarExample extends StatelessWidget {
   Widget build(BuildContext context) {
     return Scrollbar(
       child: GridView.builder(
+        primary: true,
         itemCount: 120,
         gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 3),
         itemBuilder: (BuildContext context, int index) {
diff --git a/examples/api/test/material/scrollbar/scrollbar.0_test.dart b/examples/api/test/material/scrollbar/scrollbar.0_test.dart
new file mode 100644
index 0000000000..330f4f9408
--- /dev/null
+++ b/examples/api/test/material/scrollbar/scrollbar.0_test.dart
@@ -0,0 +1,21 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+import 'package:flutter_api_samples/material/scrollbar/scrollbar.0.dart' as example;
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  testWidgets('Scrollbar.0 works well on all platforms', (WidgetTester tester) async {
+
+    await tester.pumpWidget(
+      const example.ScrollbarExampleApp(),
+    );
+
+    final Finder buttonFinder = find.byType(Scrollbar);
+    await tester.drag(buttonFinder.last, const Offset(0, 100.0));
+
+    expect(tester.takeException(), isNull);
+  }, variant: TargetPlatformVariant.all());
+}