public async void SealAfterUnseal()
        {
            var rootToken = TestConfig.RootTokens[TestConfig.TestVaultAddress];

            using (var client = new VaultClient(TestVaultAddress))
            {
                client.VaultToken = rootToken;
                await client.DoSealAsync();

                var sealStatus = await client.GetSealStatusAsync();

                Assert.Equal(0, sealStatus.Progress);
                Assert.Equal(true, sealStatus.Sealed);
            }
        }