* use 'test' value for testrig storage backend
* update test dependency
* add WaitFor func in testrig
* use WaitFor function instead of time.Sleep
* tidy up tests
* make SentMessages a sync.map
* go fmt
* start fixing up tests
* fix up tests + automate with drone
* fiddle with linting
* messing about with drone.yml
* some more fiddling
* hmmm
* add cache
* add vendor directory
* verbose
* ci updates
* update some little things
* update sig