test(grid filtering): fixing a condition for size

Author: kdinev

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

@@ -4364,10 +4364,10 @@ describe('IgxGrid - Filtering actions - Excel style filtering #grid', () => {
             // Verify display container height.
             const displayContainer = searchComponent.querySelector('igx-display-container');
             const displayContainerRect = displayContainer.getBoundingClientRect();
-            expect(displayContainerRect.height).toBe(240, 'incorrect search display container height');
+            expect(displayContainerRect.height > 210 && displayContainerRect.height < 220).toBe(true, 'incorrect search display container height');
             // Verify rendered list items count.
             const listItems = displayContainer.querySelectorAll('igx-list-item');
-            expect(listItems.length).toBe(10, 'incorrect rendered list items count');
+            expect(listItems.length).toBe(9, 'incorrect rendered list items count');
         }));
 
         it('should correctly display all items in search list after filtering it', (async () => {