public async Task CannotTakeLockWhenAlreadyActivated() { var activator = GetFakeActivator(); var timeout = new CancellationTokenSource(1000).Token; var identity = new ClusterIdentity { Kind = "thing", Identity = NextId().ToString() }; var spawnLock = await _storage.TryAcquireLock(identity, timeout); var pid = Activate(activator, identity); await _storage.StoreActivation(activator.Id, spawnLock !, pid, timeout); var activation = await _storage.TryGetExistingActivation(identity, timeout); activation.Should().NotBeNull(); activation !.MemberId.Should().Be(activator.Id); activation !.Pid.Should().BeEquivalentTo(pid); var noLock = await _storage.TryAcquireLock(identity, timeout); noLock.Should().BeNull("Since the activation is active, it should not be possible to take the lock"); }