test(esf): Trying to fix flickering test #5652

Author: astaev

projects/igniteui-angular/src/lib/grids/grid/grid-filtering-ui.spec.ts

@@ -5056,11 +5056,11 @@ describe('IgxGrid - Filtering actions - Excel style filtering #grid', () => {
 
             // Click 'sort desc' button in ESF.
             GridFunctions.clickExcelFilterIcon(fix, 'Downloads');
-            await wait(100);
             fix.detectChanges();
+            await wait(400);
             GridFunctions.clickSortDescInExcelStyleFiltering(fix);
-            await wait(100);
             fix.detectChanges();
+            await wait(100);
 
             // Verify data is sorted in descending order.
             cells = GridFunctions.sortNativeElementsVertically(