diff --git a/tests/unit-tests/requester.t.cpp b/tests/unit-tests/requester.t.cpp
index e51658d..c9a1d1d 100644
--- a/tests/unit-tests/requester.t.cpp
+++ b/tests/unit-tests/requester.t.cpp
@@ -47,10 +47,10 @@
   ca_profile.m_caPrefix = Name("/site");
   ca_profile.m_cert = std::make_shared<security::Certificate>(cert);
 
-  std::vector<std::tuple<std::string, std::string>> probeParams;
-  probeParams.push_back(std::make_tuple("email", "zhiyi@cs.ucla.edu"));
-  probeParams.push_back(std::make_tuple("uid", "987654321"));
-  probeParams.push_back(std::make_tuple("name", "Zhiyi Zhang"));
+  std::multimap<std::string, std::string> probeParams;
+  probeParams.emplace("email", "zhiyi@cs.ucla.edu");
+  probeParams.emplace("uid", "987654321");
+  probeParams.emplace("name", "Zhiyi Zhang");
   auto firstInterest = Requester::genProbeInterest(ca_profile, std::move(probeParams));
 
   BOOST_CHECK(firstInterest->getName().at(-1).isParametersSha256Digest());