Wait for the attestation to be ready (TPM being prepared for attestation) before trying to enroll.

chromeos/attestation/mock_attestation_flow.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chromeos/attestation/mock_attestation_flow.h"
 
 #include <memory>
 
 #include "components/signin/core/account_id/account_id.h"
 
@@ skipping 30 matching lines @@
       .WillByDefault(Invoke(&fake_, &FakeServerProxy::SendEnrollRequest));
   ON_CALL(*this, SendCertificateRequest(_, _))
       .WillByDefault(Invoke(&fake_, &FakeServerProxy::SendCertificateRequest));
 }
 
 MockObserver::MockObserver() {}
 
 MockObserver::~MockObserver() {}
 
 MockAttestationFlow::MockAttestationFlow()
-    : AttestationFlow(NULL, NULL, std::unique_ptr<ServerProxy>()) {}
+    : AttestationFlow(NULL,

[achuithb, 2016/12/05 19:53:59]

nullptr

+                      NULL,
+                      std::unique_ptr<ServerProxy>(),
+                      base::TimeDelta::Max()) {}
 
 MockAttestationFlow::~MockAttestationFlow() {}
 
 }  // namespace attestation
 }  // namespace chromeos