remove unused imports

node/src/lib.rs

@@ -45,6 +45,6 @@ mod stream_messages;
 mod stream_reader;
 mod stream_writer_sorted;
 mod stream_writer_unsorted;
-pub mod test_utils; //TODO we should make some effort for collections of testing utils to be really test conditioned.
+pub mod test_utils;
 pub mod tls_discriminator_factory;
 pub mod ui_gateway;

node/src/test_utils/mod.rs

@@ -39,29 +39,24 @@ use crate::sub_lib::sequence_buffer::SequencedPacket;
 use crate::sub_lib::stream_key::StreamKey;
 use crate::sub_lib::wallet::Wallet;
 use crossbeam_channel::{unbounded, Receiver, Sender};
-use dirs::home_dir;
 use ethsign_crypto::Keccak256;
 use futures::sync::mpsc::SendError;
 use lazy_static::lazy_static;
 use masq_lib::constants::HTTP_PORT;
-use masq_lib::test_utils::utils::{
-    ensure_node_home_directory_exists, node_home_directory, TEST_DEFAULT_CHAIN,
-};
+use masq_lib::test_utils::utils::TEST_DEFAULT_CHAIN;
 use rand::RngCore;
 use regex::Regex;
 use rustc_hex::ToHex;
 use serde_derive::{Deserialize, Serialize};
 use std::collections::btree_set::BTreeSet;
 use std::collections::HashSet;
 use std::convert::From;
-use std::env::current_dir;
 use std::fmt::Debug;
 use std::hash::Hash;
 use std::io::ErrorKind;
 use std::io::Read;
 use std::iter::repeat;
 use std::net::{Shutdown, TcpStream};
-use std::path::PathBuf;
 use std::str::FromStr;
 use std::sync::{Arc, Mutex};
 use std::thread;