in lib/gitlab/qa/component/specs.rb [185:194]
def args_without_spec_arguments(rspec_args)
arg_pairs = rspec_args.flatten.each_with_object([]) do |arg, new_args|
next new_args.push([arg]) if new_args.last.nil? || arg.start_with?("--") || new_args.last.size == 2
new_args.last.push(arg)
end
arg_pairs.reject { |pair| pair.first == "--tag" || !pair.first.start_with?("--") }.flatten
end