diff --git a/packages/devextreme/js/__internal/grids/grid_core/__tests__/__mock__/helpers/utils.ts b/packages/devextreme/js/__internal/grids/grid_core/__tests__/__mock__/helpers/utils.ts
new file mode 100644
index 000000000000..6337eb7339a1
--- /dev/null
+++ b/packages/devextreme/js/__internal/grids/grid_core/__tests__/__mock__/helpers/utils.ts
@@ -0,0 +1,63 @@
+import { jest } from '@jest/globals';
+import fx from '@js/common/core/animation/fx';
+import type { dxElementWrapper } from '@js/core/renderer';
+import $ from '@js/core/renderer';
+import type { Properties as DataGridProperties } from '@js/ui/data_grid';
+import DataGrid from '@js/ui/data_grid';
+import { DataGridModel } from '@ts/grids/data_grid/__tests__/__mock__/model/data_grid';
+
+export const SELECTORS = {
+  gridContainer: '#gridContainer',
+};
+
+export const GRID_CONTAINER_ID = 'gridContainer';
+
+export const createDataGrid = async (
+  options: DataGridProperties = {},
+): Promise<{
+  $container: dxElementWrapper;
+  component: DataGridModel;
+  instance: DataGrid;
+}> => new Promise((resolve) => {
+  const $container = $('<div>')
+    .attr('id', GRID_CONTAINER_ID)
+    .appendTo(document.body);
+
+  const dataGridOptions: DataGridProperties = {
+    keyExpr: 'id',
+    ...options,
+  };
+
+  const instance = new DataGrid($container.get(0) as HTMLDivElement, dataGridOptions);
+  const component = new DataGridModel($container.get(0) as HTMLElement);
+
+  jest.runAllTimers();
+
+  resolve({
+    $container,
+    component,
+    instance,
+  });
+});
+
+export const beforeTest = (): void => {
+  fx.off = true;
+  jest.useFakeTimers();
+};
+
+export const afterTest = (): void => {
+  const $container = $(SELECTORS.gridContainer);
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  const dataGrid = ($container as any).dxDataGrid('instance') as DataGrid;
+
+  dataGrid?.dispose();
+  $container.remove();
+  jest.clearAllMocks();
+  jest.useRealTimers();
+  fx.off = false;
+};
+
+export const flushAsync = async (): Promise<void> => {
+  jest.runAllTimers();
+  await Promise.resolve();
+};
diff --git a/packages/devextreme/js/__internal/grids/grid_core/__tests__/grid.integration.test.ts b/packages/devextreme/js/__internal/grids/grid_core/__tests__/grid.integration.test.ts
index 6320bacd0596..a8366f7c526c 100644
--- a/packages/devextreme/js/__internal/grids/grid_core/__tests__/grid.integration.test.ts
+++ b/packages/devextreme/js/__internal/grids/grid_core/__tests__/grid.integration.test.ts
@@ -1,62 +1,12 @@
 import {
-  afterEach, beforeEach, describe, expect, it, jest,
+  afterEach, beforeEach, describe, expect, it,
 } from '@jest/globals';
-import fx from '@js/common/core/animation/fx';
-import type { dxElementWrapper } from '@js/core/renderer';
-import $ from '@js/core/renderer';
-import type { Properties as DataGridProperties } from '@js/ui/data_grid';
-import DataGrid from '@js/ui/data_grid';
-import { DataGridModel } from '@ts/grids/data_grid/__tests__/__mock__/model/data_grid';
 
-const SELECTORS = {
-  gridContainer: '#gridContainer',
-};
-
-const GRID_CONTAINER_ID = 'gridContainer';
-
-const createDataGrid = async (
-  options: DataGridProperties = {},
-): Promise<{
-  $container: dxElementWrapper;
-  component: DataGridModel;
-  instance: DataGrid;
-}> => new Promise((resolve) => {
-  const $container = $('<div>')
-    .attr('id', GRID_CONTAINER_ID)
-    .appendTo(document.body);
-
-  const dataGridOptions: DataGridProperties = {
-    keyExpr: 'id',
-    ...options,
-  };
-
-  const instance = new DataGrid($container.get(0) as HTMLDivElement, dataGridOptions);
-  const component = new DataGridModel($container.get(0) as HTMLElement);
-
-  jest.runAllTimers();
-
-  resolve({
-    $container,
-    component,
-    instance,
-  });
-});
-
-const beforeTest = (): void => {
-  fx.off = true;
-  jest.useFakeTimers();
-};
-
-const afterTest = (): void => {
-  const $container = $(SELECTORS.gridContainer);
-  const dataGrid = ($container as any).dxDataGrid('instance') as DataGrid;
-
-  dataGrid.dispose();
-  $container.remove();
-  jest.clearAllMocks();
-  jest.useRealTimers();
-  fx.off = false;
-};
+import {
+  afterTest,
+  beforeTest,
+  createDataGrid,
+} from './__mock__/helpers/utils';
 
 describe('Grid', () => {
   beforeEach(beforeTest);
diff --git a/packages/devextreme/js/__internal/grids/grid_core/column_chooser/__tests__/column_chooser.integration.test.ts b/packages/devextreme/js/__internal/grids/grid_core/column_chooser/__tests__/column_chooser.integration.test.ts
index 3b2dd3da8f7e..e8832e6cfea0 100644
--- a/packages/devextreme/js/__internal/grids/grid_core/column_chooser/__tests__/column_chooser.integration.test.ts
+++ b/packages/devextreme/js/__internal/grids/grid_core/column_chooser/__tests__/column_chooser.integration.test.ts
@@ -1,65 +1,20 @@
 import {
   afterEach, beforeEach, describe, expect, it, jest,
 } from '@jest/globals';
-import type { dxElementWrapper } from '@js/core/renderer';
-import $ from '@js/core/renderer';
-import type { Properties as DataGridProperties } from '@js/ui/data_grid';
-import DataGrid from '@js/ui/data_grid';
 import errors from '@js/ui/widget/ui.errors';
-import { DataGridModel } from '@ts/grids/data_grid/__tests__/__mock__/model/data_grid';
 
-const SELECTORS = {
-  gridContainer: '#gridContainer',
-};
-
-const GRID_CONTAINER_ID = 'gridContainer';
-
-const createDataGrid = async (
-  options: DataGridProperties = {},
-): Promise<{
-  $container: dxElementWrapper;
-  component: DataGridModel;
-  instance: DataGrid;
-}> => new Promise((resolve) => {
-  const $container = $('<div>')
-    .attr('id', GRID_CONTAINER_ID)
-    .appendTo(document.body);
-
-  const dataGridOptions: DataGridProperties = {
-    keyExpr: 'id',
-    ...options,
-  };
-
-  const instance = new DataGrid($container.get(0) as HTMLDivElement, dataGridOptions);
-  const component = new DataGridModel($container.get(0) as HTMLElement);
-
-  jest.runAllTimers();
-
-  resolve({
-    $container,
-    component,
-    instance,
-  });
-});
-
-const beforeTest = (): void => {
-  jest.useFakeTimers();
-  jest.spyOn(errors, 'log').mockImplementation(jest.fn());
-  jest.spyOn(errors, 'Error').mockImplementation(() => ({}));
-};
-
-const afterTest = (): void => {
-  const $container = $(SELECTORS.gridContainer);
-  const dataGrid = ($container as any).dxDataGrid('instance') as DataGrid;
-
-  dataGrid.dispose();
-  $container.remove();
-  jest.clearAllMocks();
-  jest.useRealTimers();
-};
+import {
+  afterTest,
+  beforeTest,
+  createDataGrid,
+} from '../../__tests__/__mock__/helpers/utils';
 
 describe('Bugs', () => {
-  beforeEach(beforeTest);
+  beforeEach(() => {
+    beforeTest();
+    jest.spyOn(errors, 'log').mockImplementation(jest.fn());
+    jest.spyOn(errors, 'Error').mockImplementation(() => ({}));
+  });
   afterEach(afterTest);
 
   describe('T1311329 - DataGrid - Column chooser hides a banded column on using search and recursive selection', () => {
diff --git a/packages/devextreme/js/__internal/grids/grid_core/columns_resizing_reordering/m_columns_resizing_reordering.integration.test.ts b/packages/devextreme/js/__internal/grids/grid_core/columns_resizing_reordering/m_columns_resizing_reordering.integration.test.ts
index 2748d0d6a56a..a7ce8c5184ea 100644
--- a/packages/devextreme/js/__internal/grids/grid_core/columns_resizing_reordering/m_columns_resizing_reordering.integration.test.ts
+++ b/packages/devextreme/js/__internal/grids/grid_core/columns_resizing_reordering/m_columns_resizing_reordering.integration.test.ts
@@ -8,54 +8,22 @@ import {
 } from '@js/common/core/events/drag';
 import type { dxElementWrapper } from '@js/core/renderer';
 import $ from '@js/core/renderer';
-import type { Properties as DataGridProperties } from '@js/ui/data_grid';
-import DataGrid from '@js/ui/data_grid';
+import type DataGrid from '@js/ui/data_grid';
 import errors from '@js/ui/widget/ui.errors';
-import { DataGridModel } from '@ts/grids/data_grid/__tests__/__mock__/model/data_grid';
+import type { DataGridModel } from '@ts/grids/data_grid/__tests__/__mock__/model/data_grid';
 
-const SELECTORS = {
-  gridContainer: '#gridContainer',
-};
-
-const GRID_CONTAINER_ID = 'gridContainer';
-
-const createDataGrid = async (
-  options: DataGridProperties = {},
-): Promise<{
-  $container: dxElementWrapper;
-  component: DataGridModel;
-  instance: DataGrid;
-}> => new Promise((resolve) => {
-  const $container = $('<div>')
-    .attr('id', GRID_CONTAINER_ID)
-    .appendTo(document.body);
-
-  const instance = new DataGrid($container.get(0) as HTMLDivElement, options);
-  const component = new DataGridModel($container.get(0) as HTMLElement);
-
-  jest.runAllTimers();
-
-  resolve({
-    $container,
-    component,
-    instance,
-  });
-});
+import {
+  afterTest as baseAfterTest,
+  beforeTest as baseBeforeTest,
+  createDataGrid,
+} from '../__tests__/__mock__/helpers/utils';
 
 const beforeTest = (): void => {
-  jest.useFakeTimers();
+  baseBeforeTest();
   jest.spyOn(errors, 'log').mockImplementation(jest.fn());
 };
 
-const afterTest = (): void => {
-  const $container = $(SELECTORS.gridContainer);
-  const dataGrid = ($container as any).dxDataGrid('instance') as DataGrid;
-
-  dataGrid.dispose();
-  $container.remove();
-  jest.clearAllMocks();
-  jest.useRealTimers();
-};
+const afterTest = baseAfterTest;
 
 describe('Performance optimization', () => {
   beforeEach(beforeTest);
diff --git a/packages/devextreme/js/__internal/grids/grid_core/editing/__tests__/m_editing.integration.test.ts b/packages/devextreme/js/__internal/grids/grid_core/editing/__tests__/m_editing.integration.test.ts
index 40f44ec14654..dbc797a2f41f 100644
--- a/packages/devextreme/js/__internal/grids/grid_core/editing/__tests__/m_editing.integration.test.ts
+++ b/packages/devextreme/js/__internal/grids/grid_core/editing/__tests__/m_editing.integration.test.ts
@@ -1,17 +1,13 @@
 import {
-  afterEach, beforeEach, describe, expect, it, jest,
+  afterEach, beforeEach, describe, expect, it,
 } from '@jest/globals';
-import type { dxElementWrapper } from '@js/core/renderer';
-import $ from '@js/core/renderer';
-import type { Properties as DataGridProperties } from '@js/ui/data_grid';
-import DataGrid from '@js/ui/data_grid';
-import { DataGridModel } from '@ts/grids/data_grid/__tests__/__mock__/model/data_grid';
 
-const GRID_CONTAINER_ID = 'gridContainer';
-
-const SELECTORS = {
-  gridContainer: `#${GRID_CONTAINER_ID}`,
-};
+import {
+  afterTest,
+  beforeTest,
+  createDataGrid,
+  flushAsync,
+} from '../../__tests__/__mock__/helpers/utils';
 
 const dataSource = [{
   ID: 1,
@@ -45,49 +41,6 @@ const dataSource = [{
   Address: '4 Westmoreland Pl.',
 }];
 
-const flushAsync = async (): Promise<void> => {
-  jest.runOnlyPendingTimers();
-  await Promise.resolve();
-};
-
-const createDataGrid = async (
-  options: DataGridProperties = {},
-): Promise<{
-  $container: dxElementWrapper;
-  component: DataGridModel;
-  instance: DataGrid;
-}> => new Promise((resolve) => {
-  const $container = $('<div>')
-    .attr('id', GRID_CONTAINER_ID)
-    .appendTo(document.body);
-
-  const instance = new DataGrid($container.get(0) as HTMLDivElement, options);
-  const component = new DataGridModel($container.get(0) as HTMLElement);
-
-  jest.runAllTimers();
-  resolve({
-    $container,
-    component,
-    instance,
-  });
-});
-
-const beforeTest = (): void => {
-  jest.useFakeTimers();
-};
-
-const afterTest = (): void => {
-  const $container = $(SELECTORS.gridContainer);
-  const dataGrid = (
-    $container as dxElementWrapper & { dxDataGrid: (command: string) => DataGrid }
-  ).dxDataGrid('instance');
-
-  dataGrid.dispose();
-  $container.remove();
-  jest.clearAllMocks();
-  jest.useRealTimers();
-};
-
 describe('DataGrid editing', () => {
   beforeEach(beforeTest);
   afterEach(afterTest);
diff --git a/packages/devextreme/js/__internal/grids/grid_core/focus/m_focus.integration.test.ts b/packages/devextreme/js/__internal/grids/grid_core/focus/m_focus.integration.test.ts
index 4454c9640e9a..2137efed8d9e 100644
--- a/packages/devextreme/js/__internal/grids/grid_core/focus/m_focus.integration.test.ts
+++ b/packages/devextreme/js/__internal/grids/grid_core/focus/m_focus.integration.test.ts
@@ -1,41 +1,14 @@
 import {
-  afterEach, describe, expect, it, jest,
+  afterEach, beforeEach, describe, expect, it, jest,
 } from '@jest/globals';
-import type { dxElementWrapper } from '@js/core/renderer';
-import $ from '@js/core/renderer';
-import type { Properties as DataGridProperties } from '@js/ui/data_grid';
-import DataGrid from '@js/ui/data_grid';
 
-const SELECTORS = {
-  gridContainer: '#gridContainer',
-};
-
-const GRID_CONTAINER_ID = 'gridContainer';
-
-const createDataGrid = async (
-  options: DataGridProperties = {},
-): Promise<{ $container: dxElementWrapper; instance: DataGrid }> => new Promise((resolve) => {
-  const $container = $('<div>')
-    .attr('id', GRID_CONTAINER_ID)
-    .appendTo(document.body);
-
-  const instance = new DataGrid($container.get(0) as HTMLDivElement, {
-    // @ts-ignore
-    loadingTimeout: null,
-    ...options,
-  });
-
-  resolve({ $container, instance });
-});
+import {
+  afterTest, beforeTest, createDataGrid, flushAsync,
+} from '../__tests__/__mock__/helpers/utils';
 
 describe('GridCore focus', () => {
-  afterEach(() => {
-    const $container = $(SELECTORS.gridContainer);
-    const dataGrid = ($container as any).dxDataGrid('instance') as DataGrid;
-
-    dataGrid.dispose();
-    $container.remove();
-  });
+  beforeEach(beforeTest);
+  afterEach(afterTest);
 
   const testCases: [boolean, 'insert' | 'remove' | 'update', number][] = [
     [true, 'insert', 2],
@@ -94,6 +67,8 @@ describe('GridCore focus', () => {
             break;
         }
 
+        await flushAsync();
+
         expect(onFocusedRowChanged.mock.calls.length).toBe(1);
         expect(instance.option('focusedRowKey')).toEqual(2);
         expect(instance.option('focusedRowIndex')).toEqual(expectedFocusedRowIndex);
diff --git a/packages/devextreme/js/__internal/grids/grid_core/master_detail/m_master_detail.integration.test.ts b/packages/devextreme/js/__internal/grids/grid_core/master_detail/m_master_detail.integration.test.ts
index 341f25bf1cc9..4b681f5a204d 100644
--- a/packages/devextreme/js/__internal/grids/grid_core/master_detail/m_master_detail.integration.test.ts
+++ b/packages/devextreme/js/__internal/grids/grid_core/master_detail/m_master_detail.integration.test.ts
@@ -1,45 +1,21 @@
 import {
-  afterEach, describe, expect, it,
+  afterEach, beforeEach, describe, expect, it,
 } from '@jest/globals';
-import type { dxElementWrapper } from '@js/core/renderer';
-import $ from '@js/core/renderer';
 
-import type { Properties as DataGridProperties } from '../../../../ui/data_grid';
-import DataGrid from '../../../../ui/data_grid';
+import {
+  afterTest,
+  beforeTest,
+  createDataGrid,
+} from '../__tests__/__mock__/helpers/utils';
 
 const SELECTORS = {
-  gridContainer: '#gridContainer',
   detailCell: 'dx-master-detail-cell',
   detailContainer: 'dx-datagrid-master-detail-container',
 };
 
-const GRID_CONTAINER_ID = 'gridContainer';
-
-const createDataGrid = async (
-  options: DataGridProperties = {},
-): Promise<{ $container: dxElementWrapper; instance: DataGrid }> => new Promise((resolve) => {
-  const $container = $('<div>')
-    .attr('id', GRID_CONTAINER_ID)
-    .appendTo(document.body);
-
-  const instance = new DataGrid($container.get(0) as HTMLDivElement, options);
-
-  const contentReadyHandler = (): void => {
-    resolve({ $container, instance });
-    instance.off('contentReady', contentReadyHandler);
-  };
-
-  instance.on('contentReady', contentReadyHandler);
-});
-
 describe('GridCore master_detail', () => {
-  afterEach(() => {
-    const $container = $(SELECTORS.gridContainer);
-    const dataGrid = ($container as any).dxDataGrid('instance') as DataGrid;
-
-    dataGrid.dispose();
-    $container.remove();
-  });
+  beforeEach(beforeTest);
+  afterEach(afterTest);
 
   describe('master detail container', () => {
     it('container is td element', async () => {