* add unit test for test broadcast
* execute goimports
* add import peerstore
* refactor and check message equals expected
* remove not needed sleep
* add function to connect hosts to host
* refactor test for better reading
* refactor to only use one channel
* refactor subs to channel
* close channels instead of sending boolean value
* use goimports
* copy value to avoid race condition
* remove TODO comment
* fix issues with gometalinter
* run gazelle
* reduce sleep time
* add comments to goroutines
