public async Task Lease_FailsOnAcquiredLeasedBlob()
        {
            string id = $"test/{nameof(Lease_FailsOnAcquiredLeasedBlob)}.lck";

            await _native.BreakLeaseAsync(id, true);

            using (AzureStorageLease lease1 = await _native.AcquireLeaseAsync(id, TimeSpan.FromSeconds(20)))
            {
                await Assert.ThrowsAsync <StorageException>(() => _native.AcquireLeaseAsync(id, TimeSpan.FromSeconds(20)));
            }
        }