message: fixed stats::save test
diff: @@ -826,7 +826,8 @@ mod tests {
  stats.add_status_code(StatusCode::OK);
  let outfile = "/tmp/stuff";
  stats.save(174.33, outfile);
  - assert!(stats.as_json().contains("174.33"));
  + assert!(stats.as_json().contains("statistics"));
  + assert!(stats.as_json().contains("11")); // requests made
  assert!(stats.as_str().is_empty());
  }
  }
  