in spec/lib/release_tools/slack/security/mirror_message_spec.rb [139:148]
def ===(other)
project = @status.canonical
json = other.to_json
includes_security_error?(other) && includes_build_error?(other) &&
json.include?(@status.mirror_chain) &&
json.include?(project['avatar_url']) &&
json.include?(project['name'])
end