update tests

...ples/producer/dummy-data-producer/dummy_data_producer.cpp

examples/worker/getnext_broker/getnext_broker.cpp

receiver/src/statistics.cpp

receiver/src/statistics_sender_fluentd.cpp

tests/manual/performance_broker/settings.json

tests/manual/performance_broker/test.sh

tests/manual/performance_full_chain_simple/test.sh

tests/manual/performance_producer_receiver/receiver.json

tests/manual/performance_producer_receiver/test.sh