message: Hotfix for CLI pool_upgrade_works test.
diff: @@ -1791,6 +1791,7 @@ pub mod tests {
  params.insert("force", "true".to_string()); // because node_works test added fifth Node
  cmd.execute(&ctx, &params).unwrap();
  }
  + ::std::thread::sleep(::std::time::Duration::from_secs(1));
  {
  let cmd = pool_upgrade_command::new();
  let mut params = CommandParams::new();
  