test: add notification check for copying token

Author: vOrigins

src/tests/portal/03-access-control/3.0-general.spec.ts

@@ -510,6 +510,7 @@ test.describe('03.0 Access Control. General.', () => {
       await test.step('Copy token', async () => {
         const token = await accessTokensTab.copyToken()
 
+        await expect(portalPage.snackbar).toContainText('Access token copied')
         await expectText(token).toMatch(/[a-z0-9]+/)
       })
     })