diff --git a/tests/integrated/command-fixture.hpp b/tests/integrated/command-fixture.hpp
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+++ b/tests/integrated/command-fixture.hpp
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2017, Regents of the University of California.
+ *
+ * This file is part of NDN repo-ng (Next generation of NDN repository).
+ * See AUTHORS.md for complete list of repo-ng authors and contributors.
+ *
+ * repo-ng is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * repo-ng is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * repo-ng, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef REPO_TESTS_INTEGRATED_COMMAND_FIXTURE_HPP
+#define REPO_TESTS_INTEGRATED_COMMAND_FIXTURE_HPP
+
+#include "../identity-management-fixture.hpp"
+#include <ndn-cxx/security/validator-null.hpp>
+
+namespace repo {
+namespace tests {
+
+class CommandFixture : public virtual IdentityManagementFixture
+{
+protected:
+  CommandFixture();
+
+protected:
+  Face repoFace;
+  Scheduler scheduler;
+  KeyChain& keyChain;
+
+  /// \todo #4091 switch to ValidatorPolicyConf and load insert-delete-validator-config.conf
+  ndn::ValidatorNull validator;
+};
+
+} // namespace tests
+} // namespace repo
+
+#endif // REPO_TESTS_INTEGRATED_COMMAND_FIXTURE_HPP