Make audiotest wait until playback is complete (#1785)
Make audiotest wait until playback is complete (#1785)

To reduce unneccessary Output the log level is reduced and the ALSA lib
output is muted unless the --verbose is used.
Dark5ide/mycroft-core,linuxipho/mycroft-core,forslund/mycroft-core,Dark5ide/mycroft-core,MycroftAI/mycroft-core,forslund/mycroft-core,MycroftAI/mycroft-core,linuxipho/mycroft-core