p2p+rpc: don't skip p2p or rpc port bind failure by default

tests/unit_tests/CMakeLists.txt

@@ -30,7 +30,6 @@ set(unit_tests_sources
   account.cpp
   apply_permutation.cpp
   address_from_url.cpp
-  ban.cpp
   base58.cpp
   blockchain_db.cpp
   block_queue.cpp
@@ -68,6 +67,7 @@ set(unit_tests_sources
   multiexp.cpp
   multisig.cpp
   net.cpp
+  node_server.cpp
   notify.cpp
   output_distribution.cpp
   parse_amount.cpp