Change-Id: I07ec286531edf63f258babe1561b4da2a88edd10
Move all unit tests to namespace nfd::tests Delete unused header core/algorithm.hpp Change-Id: I5591f0c5f3bb5db67f8b45fae95471f8a555ca68
Refs: #4922 Change-Id: I2243dbb87c63f9cbaf7d7051d7a0d4bca2f9fdb5