tests: Improving ManagementTool test suite and fixing discovered bugs

Change-Id: I1c7e51cf105544325657825474f9ee85d61396ed
Refs: #2226
diff --git a/tests/unit/clients/response.cpp b/tests/unit/clients/response.cpp
index b1a82be..76798db 100644
--- a/tests/unit/clients/response.cpp
+++ b/tests/unit/clients/response.cpp
@@ -31,7 +31,7 @@
 
 BOOST_AUTO_TEST_CASE(Basic)
 {
-  KeyChain keyChain;
+  KeyChain keyChain("sqlite3", "file");
   Name hint;
   Name zone("/net");
   name::Component qType = ndns::label::NDNS_ITERATIVE_QUERY;