public async Task HasChannelsAsync_ShouldReturnTrueGivenTheAdverisementHasChannelsAssigned()
{
var expectedAdvertisement = SetupAdvertisement();
var expectedChannel = SetupChannel();
SetupAdvertisementChannel(expectedAdvertisement.Id, expectedChannel.Id);
var result = await _advertisementRepository.HasChannelsAsync(expectedAdvertisement.Id);
result.Should().BeTrue();
}