chore(*): removed fit from test #6567

(cherry picked from commit 247ac47)

Author: igdmdimitrov

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

@@ -4403,7 +4403,7 @@ describe('IgxGrid - Filtering actions - Excel style filtering #grid', () => {
             tick(100);
         }));
 
-        fit('Should enable/disable the apply button correctly.', fakeAsync(() => {
+        it('Should enable/disable the apply button correctly.', fakeAsync(() => {
             GridFunctions.clickExcelFilterIcon(fix, 'ProductName');
             tick(100);
             fix.detectChanges();