name assignment tests and fixes

Change-Id: I105f73d22024ff181b809b8869e3a48638424533
diff --git a/src/name-assignments/assignment-hash.cpp b/src/name-assignments/assignment-hash.cpp
index 9a73e0e..22b6e69 100644
--- a/src/name-assignments/assignment-hash.cpp
+++ b/src/name-assignments/assignment-hash.cpp
@@ -9,6 +9,7 @@
 namespace ndncert {
 
 _LOG_INIT(ndncert.assignment.hash);
+
 NDNCERT_REGISTER_FUNCFACTORY(AssignmentHash, "hash");
 
 AssignmentHash::AssignmentHash()