message: fixed Nelder-Mead test
diff: @@ -300,6 +300,7 @@ where
  mod tests {
  use super::*;
  use crate::send_sync_test;
  + type Operator = MinimalNoOperator;
  - send_sync_test!(nelder_mead, NelderMead);
  + send_sync_test!(nelder_mead, NelderMead<Operator>);
  }
  