Stabilize Accessibility and Filtering tests (#33142)

Author: Raushen

e2e/testcafe-devextreme/tests/dataGrid/common/accessibility/bugs.ts

@@ -8,6 +8,7 @@ fixture.disablePageReloads`Accessibility bugs`
 
 test('T1187314 - DataGrid displays an incorrect row count in "aria-label" if there is no data after filtering', async (t) => {
   const dataGrid = new DataGrid('#container');
+  await t.expect(dataGrid.isReady()).ok();
 
   await dataGrid.apiFilter(['id', '=', '1']);
   await t
@@ -25,6 +26,7 @@ test('T1187314 - DataGrid displays an incorrect row count in "aria-label" if the
 
 test('DataGrid - The \'aria-label\' attribute value is "Show filter options for column \'undefined\' for the header filter icon in grouped fields (T1205784)', async (t) => {
   const dataGrid = new DataGrid('#container');
+  await t.expect(dataGrid.isReady()).ok();
 
   await t
     .expect(dataGrid.getGroupPanel().getHeader(0).getFilterButton().getAttribute('aria-label'))
@@ -54,7 +56,7 @@ test('DataGrid - NVDA reads column information twice (T1286287)', async (t) => {
   const dataGrid = new DataGrid('#container');
   const dataCell = dataGrid.getDataCell(1, 1).element;
 
-  await dataGrid.isReady();
+  await t.expect(dataGrid.isReady()).ok();
   await t
     .expect(dataCell.hasAttribute('aria-describedby'))
     .notOk();

e2e/testcafe-devextreme/tests/dataGrid/common/filtering/functional.ts

@@ -11,6 +11,7 @@ const GRID_CONTAINER = '#container';
 test('Don\'t calculate additional filter when filtering column list is empty', async (t) => {
   // arrange
   const dataGrid = new DataGrid(GRID_CONTAINER);
+  await t.expect(dataGrid.isReady()).ok();
   const consoleMessages = await t.getBrowserConsoleMessages();
 
   // act

e2e/testcafe-devextreme/tests/dataGrid/common/filtering/visual.ts

@@ -13,6 +13,7 @@ test('Data should be filtered if True is selected via the filter method when cas
   // arrange
   const { takeScreenshot, compareResults } = createScreenshotsComparer(t);
   const dataGrid = new DataGrid(GRID_CONTAINER);
+  await t.expect(dataGrid.isReady()).ok();
 
   // act
   await dataGrid.apiFilter(['text', '=', 'true']);