Article: https://tyy.sh/blog/e229c7fc63b6
$ bundle install --path vendor/bundle
$ pip install -r requirements.txt
stackoverflow - How to use or install MagickWand on Mac OS X?
$ brew uninstall --force imagemagick
$ brew install imagemagick@6
$ echo 'export PATH="/usr/local/opt/imagemagick@6/bin:$PATH"' >> ~/.bash_profile
$ brew link imagemagick@6 --force
$ bundle exec fastlane snapshot
$ python script/compare_images.py -a screenshots-answers/en-US -i screenshots/en-US -o screenshots-diff