public async Task CanRemoveActivation()
{
var timeout = new CancellationTokenSource(1000).Token;
var(activator, identity, pid) = await GetActivatedClusterIdentity(timeout);
var activation = await _storage.TryGetExistingActivation(identity, timeout);
await _storage.RemoveActivation(identity, pid, timeout);
var afterRemoval = await _storage.TryGetExistingActivation(identity, timeout);
activation.Should().NotBeNull();
activation !.MemberId.Should().Be(activator.Id);
activation !.Pid.Should().BeEquivalentTo(pid);
afterRemoval.Should().BeNull();
}