* [macOS] add pester tests to install scripts part-1.
* changed version
* added changes related to common utils installation
* added source tests file
* removed tests from homebrew
* moved jq to homebrew
* fix nitpicks
* incorrect things are fixed.
* fixed some mistakes in the text
* commonutils changed.
* remove swiftlint installation from toolsets
* removed useless string
* set -e and fix all the scripts
* add source utils to finalize_vm script
* change xcode version in postbuild script
* fix for softwareupdates and for xcode version