Adds tests for Hyper-V Network utils

Adds unit tests for Hyper-V NetworkUtils and NetworkUtilsV2 classes.

Co-Authored-By: Ionut Balutoiu <ibalutoiu@cloudbasesolutions.com>

Partial-Bug: #1220256

Change-Id: I4c3da97aa415c4af1900aa17d1327571afc8c792
Merge "Adds tests for Hyper-V Network utils"