public void UpdateSshPublicKey2()
        {
            Mock <OsLoginService.OsLoginServiceClient> mockGrpcClient = new Mock <OsLoginService.OsLoginServiceClient>(MockBehavior.Strict);
            UpdateSshPublicKeyRequest expectedRequest = new UpdateSshPublicKeyRequest
            {
                FingerprintName = new FingerprintName("[USER]", "[FINGERPRINT]"),
                SshPublicKey    = new SshPublicKey(),
                UpdateMask      = new FieldMask(),
            };
            SshPublicKey expectedResponse = new SshPublicKey
            {
                Key = "key106079",
                ExpirationTimeUsec = 2058878882L,
                Fingerprint        = "fingerprint-1375934236",
            };

            mockGrpcClient.Setup(x => x.UpdateSshPublicKey(expectedRequest, It.IsAny <CallOptions>()))
            .Returns(expectedResponse);
            OsLoginServiceClient client       = new OsLoginServiceClientImpl(mockGrpcClient.Object, null);
            FingerprintName      name         = new FingerprintName("[USER]", "[FINGERPRINT]");
            SshPublicKey         sshPublicKey = new SshPublicKey();
            FieldMask            updateMask   = new FieldMask();
            SshPublicKey         response     = client.UpdateSshPublicKey(name, sshPublicKey, updateMask);

            Assert.Same(expectedResponse, response);
            mockGrpcClient.VerifyAll();
        }