test(excel-style-filtering): removed unnecessary filtering step from test #6567

(cherry picked from commit e8a3465)

Author: igdmdimitrov

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

@@ -4403,38 +4403,17 @@ describe('IgxGrid - Filtering actions - Excel style filtering #grid', () => {
             tick(100);
         }));
 
-        it('Should filter, clear and enable/disable the apply button correctly.', fakeAsync(() => {
+        fit('Should enable/disable the apply button correctly.', fakeAsync(() => {
             GridFunctions.clickExcelFilterIcon(fix, 'ProductName');
             tick(100);
             fix.detectChanges();
 
-            // Type string in search box.
+            // Verify there are filtered-in results and that apply button is enabled.
             const searchComponent = GridFunctions.getExcelStyleSearchComponent(fix);
-            const inputNativeElement = searchComponent.querySelector('.igx-input-group__input');
-            sendInputNativeElement(inputNativeElement, 'hello there', fix);
-            tick(100);
-            fix.detectChanges();
-
-            // Verify there are no filtered-in results and that apply button is enabled.
-            let listItems = searchComponent.querySelectorAll('igx-list-item');
-            let excelMenu = GridFunctions.getExcelStyleFilteringComponent(fix);
-            let raisedButtons = Array.from(excelMenu.querySelectorAll('.igx-button--raised'));
+            const listItems = searchComponent.querySelectorAll('igx-list-item');
+            const excelMenu = GridFunctions.getExcelStyleFilteringComponent(fix);
+            const raisedButtons = Array.from(excelMenu.querySelectorAll('.igx-button--raised'));
             let applyButton: any = raisedButtons.find((rb: any) => rb.innerText === 'apply');
-            expect(listItems.length).toBe(0, 'ESF search result should be empty');
-            expect(applyButton.classList.contains('igx-button--disabled')).toBe(false);
-
-            // Clear filtering.
-            const icons = Array.from(searchComponent.querySelectorAll('igx-icon'));
-            const clearIcon: any = icons.find((ic: any) => ic.innerText === 'clear');
-            clearIcon.click();
-            tick(100);
-            fix.detectChanges();
-
-            // Verify there are filtered-in results and that apply button is enabled.
-            listItems = searchComponent.querySelectorAll('igx-list-item');
-            excelMenu = GridFunctions.getExcelStyleFilteringComponent(fix);
-            raisedButtons = Array.from(excelMenu.querySelectorAll('.igx-button--raised'));
-            applyButton = raisedButtons.find((rb: any) => rb.innerText === 'apply');
             expect(listItems.length).toBe(6, 'ESF search result should NOT be empty');
             expect(applyButton.classList.contains('igx-button--disabled')).toBe(false);