[flutter_tools] test toggle debugPaintsize (#74464)

packages/flutter_tools/test/integration.shard/vmservice_integration_test.dart

@@ -133,6 +133,22 @@ void main() {
       expect(bogusResponse.json['value'], 'Brightness.light');
     });
 
-    // TODO(devoncarew): These tests fail on cirrus-ci windows.
-  }, skip: platform.isWindows);
+    testWithoutContext('ext.flutter.debugPaint can toggle debug painting', () async {
+      final Isolate isolate = await waitForExtension(vmService, 'ext.flutter.debugPaint');
+      final Response response = await vmService.callServiceExtension(
+        'ext.flutter.debugPaint',
+        isolateId: isolate.id,
+      );
+      expect(response.json['enabled'], 'false');
+
+      final Response updateResponse = await vmService.callServiceExtension(
+        'ext.flutter.debugPaint',
+        isolateId: isolate.id,
+        args: <String, String>{
+          'enabled': 'true',
+        }
+      );
+      expect(updateResponse.json['enabled'], 'true');
+    });
+  });
 }