public async Task UnlockALockedCampaign()
{
// Arrange
var handler = new LockUnlockCampaignCommandHandler(Context);
// Act
var campaign = Context.Campaigns.FirstOrDefault(c => c.Name == "Locked Campaign");
await handler.Handle(new LockUnlockCampaignCommand { CampaignId = campaign.Id });
var result = Context.Campaigns.FirstOrDefault(c => c.Name == "Locked Campaign");
// Assert
Assert.False(result.Locked); // Campaign should now be unlocked
}