fix unit tests

common/cpp/include/asapo/common/networking.h

discovery/src/asapo_discovery/protocols/protocol_test.go

discovery/src/asapo_discovery/server/get_version_test.go

producer/api/c/include/asapo/producer_c.h

producer/api/cpp/src/producer_c_glue.cpp

receiver/src/request_handler/request_factory.cpp

receiver/unittests/mock_receiver_config.cpp