Add unittests for all supported serial numbers patterns in WhisperBack
Originally created by @alant on #6801 (Redmine)
This is required to check that the new method filter all the serail currently filtered.
Parent Task: #6800
Originally created by @alant on #6801 (Redmine)
This is required to check that the new method filter all the serail currently filtered.
Parent Task: #6800