) => {

const whatsapp = channels.whatsapp;

const accounts = whatsapp.accounts as Record<string, Record<string, unknown>>;

expect(accounts[accountId]?.groupPolicy).toBe(expectedPolicy);

const account = accounts[accountId];

expect(account).toBeDefined();

if (!account) {

throw new Error(`Expected WhatsApp account ${accountId}`);

}

expect(account.groupPolicy).toBe(expectedPolicy);

return accounts;

};