public async Task AvailablePeriodsAsyncTest()
{
// Arrange
IAccountsService accountsService = _scope.ServiceProvider.GetServices <IAccountsService>().FirstOrDefault();
Assert.NotNull(accountsService);
// Act
AccountStatementPeriods availablePeriods = await accountsService.AvailablePeriodsAsync(_starlingClient, _accountUid);
// Assert
Assert.NotNull(availablePeriods);
Assert.NotNull(availablePeriods.Periods);
Assert.NotEmpty(availablePeriods.Periods);
}