mgmt: fix construction of CertificateRequest in CommandAuthenticatorValidationPolicy

Just pass the KeyLocator name and let CertificateRequest deal
with constructing the Interest and setting CanBePrefix

Refs: #4582
Change-Id: I323d8ac5e16605bb978addc623e525b2536238bf
diff --git a/tests/daemon/table/cs-fixture.hpp b/tests/daemon/table/cs-fixture.hpp
index 15bf89e..4ed5346 100644
--- a/tests/daemon/table/cs-fixture.hpp
+++ b/tests/daemon/table/cs-fixture.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2019,  Regents of the University of California,
+ * Copyright (c) 2014-2021,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -64,8 +64,7 @@
   Interest&
   startInterest(const Name& name)
   {
-    interest = make_shared<Interest>(name);
-    interest->setCanBePrefix(false);
+    interest = makeInterest(name);
     return *interest;
   }
 
@@ -74,7 +73,7 @@
   {
     bool hasResult = false;
     cs.find(*interest,
-            [&] (const Interest& interest, const Data& data) {
+            [&] (const Interest&, const Data& data) {
               hasResult = true;
               const Block& content = data.getContent();
               uint32_t found = 0;