From 27b6d9640cadbf51181f380768d9ac30013039e4 Mon Sep 17 00:00:00 2001
From: Raushen <eylau-andrew@mail.ru>
Date: Fri, 22 May 2026 19:17:18 +0300
Subject: [PATCH 1/2] Skip unstable remote data source tests

---
 apps/demos/testing/skipped-tests.js              | 16 ++++++++++++++++
 .../widgets/datagrid/RemoteGrouping.test.ts      |  3 ++-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/apps/demos/testing/skipped-tests.js b/apps/demos/testing/skipped-tests.js
index cdd9e5ce7dcf..1bc6e8618f24 100644
--- a/apps/demos/testing/skipped-tests.js
+++ b/apps/demos/testing/skipped-tests.js
@@ -2,17 +2,33 @@ export const skippedTests = {
   jQuery: {
     // WebGL initialization error at the provider. There is no point in adding a mask
     Map: ['ProvidersAndTypes', 'Markers', 'Routes'],
+
+    // Remote WidgetsGalleryDataService is unstable
+    DataGrid: ['RemoteGrouping', 'RemoteVirtualScrolling', 'CustomDataSource'],
+    PivotGrid: ['WebAPIService'],
   },
   Angular: {
     // WebGL initialization error at the provider. There is no point in adding a mask
     Map: ['ProvidersAndTypes', 'Markers', 'Routes'],
+
+    // Remote WidgetsGalleryDataService is unstable
+    DataGrid: ['RemoteGrouping', 'RemoteVirtualScrolling', 'CustomDataSource'],
+    PivotGrid: ['WebAPIService'],
   },
   React: {
     // WebGL initialization error at the provider. There is no point in adding a mask
     Map: ['ProvidersAndTypes', 'Markers', 'Routes'],
+
+    // Remote WidgetsGalleryDataService is unstable
+    DataGrid: ['RemoteGrouping', 'RemoteVirtualScrolling', 'CustomDataSource'],
+    PivotGrid: ['WebAPIService'],
   },
   Vue: {
     // WebGL initialization error at the provider. There is no point in adding a mask
     Map: ['ProvidersAndTypes', 'Markers', 'Routes'],
+
+    // Remote WidgetsGalleryDataService is unstable
+    DataGrid: ['RemoteGrouping', 'RemoteVirtualScrolling', 'CustomDataSource'],
+    PivotGrid: ['WebAPIService'],
   },
 };
diff --git a/apps/demos/testing/widgets/datagrid/RemoteGrouping.test.ts b/apps/demos/testing/widgets/datagrid/RemoteGrouping.test.ts
index 71ebeba18176..6538ea0121fb 100644
--- a/apps/demos/testing/widgets/datagrid/RemoteGrouping.test.ts
+++ b/apps/demos/testing/widgets/datagrid/RemoteGrouping.test.ts
@@ -13,7 +13,8 @@ const scroll = ClientFunction((pixels) => {
 });
 
 runManualTest('DataGrid', 'RemoteGrouping', (test) => {
-  test('RemoteGrouping', async (t) => {
+  // Remote WidgetsGalleryDataService is unstable
+  test.skip('RemoteGrouping', async (t) => {
     const { takeScreenshot, compareResults } = createScreenshotsComparer(t);
 
     await $('.dx-scrollable-container')();

From e1651a7e13402033a1e232353631b7bdeb6cca65 Mon Sep 17 00:00:00 2001
From: Raushen <eylau-andrew@mail.ru>
Date: Mon, 25 May 2026 12:27:32 +0300
Subject: [PATCH 2/2] Skip test via config

---
 .../testing/widgets/datagrid/RemoteGrouping.test.ts      | 3 +--
 apps/demos/utils/visual-tests/matrix-test-helper.ts      | 9 +++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/apps/demos/testing/widgets/datagrid/RemoteGrouping.test.ts b/apps/demos/testing/widgets/datagrid/RemoteGrouping.test.ts
index 6538ea0121fb..71ebeba18176 100644
--- a/apps/demos/testing/widgets/datagrid/RemoteGrouping.test.ts
+++ b/apps/demos/testing/widgets/datagrid/RemoteGrouping.test.ts
@@ -13,8 +13,7 @@ const scroll = ClientFunction((pixels) => {
 });
 
 runManualTest('DataGrid', 'RemoteGrouping', (test) => {
-  // Remote WidgetsGalleryDataService is unstable
-  test.skip('RemoteGrouping', async (t) => {
+  test('RemoteGrouping', async (t) => {
     const { takeScreenshot, compareResults } = createScreenshotsComparer(t);
 
     await $('.dx-scrollable-container')();
diff --git a/apps/demos/utils/visual-tests/matrix-test-helper.ts b/apps/demos/utils/visual-tests/matrix-test-helper.ts
index 3e7e7f66d595..a737d579a569 100644
--- a/apps/demos/utils/visual-tests/matrix-test-helper.ts
+++ b/apps/demos/utils/visual-tests/matrix-test-helper.ts
@@ -203,11 +203,12 @@ export function shouldRunTestAtIndex(testIndex) {
   return part === currentPart;
 }
 
+// Remote WidgetsGalleryDataService is unstable, so RemoteGrouping is skipped
 const SKIPPED_TESTS = {
-  jQuery: {},
-  Angular: {},
-  Vue: {},
-  React: {},
+  jQuery: { DataGrid: ['RemoteGrouping'] },
+  Angular: { DataGrid: ['RemoteGrouping'] },
+  Vue: { DataGrid: ['RemoteGrouping'] },
+  React: { DataGrid: ['RemoteGrouping'] },
 };
 
 export function shouldSkipDemo(framework, component, demoName, skippedTests) {