message: `integrate`: checks for --options
diff: @@ -296,6 +296,7 @@ With a project open, go to Tools->NuGet Package Manager->Package Manager Console
  static const std::string example = Strings::format("Commands:\n"
  "%s", INTEGRATE_COMMAND_HELPSTRING);
  args.check_exact_arg_count(1, example);
  + args.check_and_get_optional_command_arguments({});
  if (args.command_arguments[0] == "install")
  {
  