public async Task CheckAccountNotPresent()
{
var users = await userProvider.UsersAsync();
User user = users.FirstOrDefault();
// virificare che non sia nullo
var accounts = await userProvider.AccountsNotPresentAsync(user.Id);
//Assert
Assert.IsAssignableFrom <List <Account> >(accounts);
}
public Task <ICollection <Account> > AccountsNotPresentAsync(string id)
{
return(provider.AccountsNotPresentAsync(id));
}