in lib/gitlab/qa/component/specs.rb [95:112]
def feature_flag_sets
return @feature_flag_sets if defined?(@feature_flag_sets)
feature_flag_sets = []
while (index = args&.index { |x| x =~ /--.*-feature/ })
feature_flag_sets << args.slice!(index, 2)
end
feature_flag_sets << [] unless feature_flag_sets.any?
@feature_flag_sets = feature_flag_sets
end