rename requesterState to RequestContext

Change-Id: I747559b4da11b350b01494c7c54a674c3d3d45f9
diff --git a/tests/unit-tests/requester.t.cpp b/tests/unit-tests/requester.t.cpp
index 16197b4..ffb70a1 100644
--- a/tests/unit-tests/requester.t.cpp
+++ b/tests/unit-tests/requester.t.cpp
@@ -109,7 +109,7 @@
   CaProfile item;
   item.m_caPrefix = Name("/site");
   item.m_cert = std::make_shared<security::Certificate>(cert);
-  RequesterState state(m_keyChain, item, RequestType::NEW);
+  RequestContext state(m_keyChain, item, RequestType::NEW);
 
   Data errorPacket;
   errorPacket.setName(Name("/site/pretend/this/is/error/packet"));