Update projects/igniteui-angular-extras/src/lib/context-menu/context-menu.component.spec.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: kdinev

projects/igniteui-angular-extras/src/lib/context-menu/context-menu.component.spec.ts

@@ -278,11 +278,9 @@ describe('IgxContextMenuComponent', () => {
     });
 
     describe('overlayService.closing subscription', () => {
-        it('should reopen tabsMenu when closing a chart dialog and dialogId exists', () => {
+        it('should not reopen tabsMenu when closing a dialog that is not IgxChartMenuComponent', () => {
             // Simulate having an open dialog
             (component as any)._dialogId = 'dialog-id';
-            const mockInstance = new (class { constructor() {} })();
-            Object.setPrototypeOf(mockInstance, { constructor: { name: 'IgxChartMenuComponent' } });
 
             // The closing event checks instanceof IgxChartMenuComponent — we mock at the overlay level
             (mockOverlay.closing as Subject<any>).next({