minor improvement in abstract sequencer
use wait() instead of time_nanosleep in workerpool
fix use statement in batch event processor
use wait() instead of time_nanosleep in single producer sequencer
use wait() instead of time_nanosleep in multi producer sequencer
fixes in ring buffer
fix aggregate event handler test
fix for ConsumerRepositoryTest
fix for EventPublisherTest
fix for MultiProducerSequencerTest
fix for RingBufferTest
fix for SequenceBarrierTest
update/fix test assets