public async Task GetSnapshotAsync_NoneExistingSnapshotReturnsNull()
        {
            // Act
            var committedSnapshot = await SnapshotPersistence.GetSnapshotAsync(
                typeof(ThingyAggregate),
                ThingyId.New,
                CancellationToken.None)
                                    .ConfigureAwait(false);

            // Assert
            committedSnapshot.Should().BeNull();
        }