diff --git a/tests/mgmt/validation-common.cpp b/tests/mgmt/validation-common.cpp
new file mode 100644
index 0000000..3ad1701
--- /dev/null
+++ b/tests/mgmt/validation-common.cpp
@@ -0,0 +1,33 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (C) 2014 Named Data Networking Project
+ * See COPYING for copyright and distribution information.
+ */
+
+#include "validation-common.hpp"
+
+#include <boost/test/unit_test.hpp>
+
+namespace nfd {
+namespace tests {
+
+const Name CommandIdentityGlobalFixture::s_identityName("/unit-test/CommandFixture/id");
+shared_ptr<ndn::IdentityCertificate> CommandIdentityGlobalFixture::s_certificate;
+
+CommandIdentityGlobalFixture::CommandIdentityGlobalFixture()
+{
+  BOOST_ASSERT(!static_cast<bool>(s_certificate));
+  s_certificate = m_keys.getCertificate(m_keys.createIdentity(s_identityName));
+}
+
+CommandIdentityGlobalFixture::~CommandIdentityGlobalFixture()
+{
+  s_certificate.reset();
+  m_keys.deleteIdentity(s_identityName);
+}
+
+BOOST_GLOBAL_FIXTURE(CommandIdentityGlobalFixture);
+
+} // namespace tests
+} // namespace nfd
+