Stop proxy in controller tests to allow dir cleanup on Windows (#363)

* Stop wallet proxy in controller tests to allow directory cleanup in Windows

* Update test client

* Update to latest grin master

* is_unspent -> get_unspent

controller/tests/repost.rs

@@ -23,6 +23,7 @@ use grin_wallet_util::grin_core as core;
 use self::libwallet::{InitTxArgs, Slate};
 use impls::test_framework::{self, LocalWalletClient};
 use impls::{PathToSlate, SlateGetter as _, SlatePutter as _};
+use std::sync::atomic::Ordering;
 use std::thread;
 use std::time::Duration;
 
@@ -35,6 +36,7 @@ fn file_repost_test_impl(test_dir: &'static str) -> Result<(), libwallet::Error>
 	// Create a new proxy to simulate server and wallet responses
 	let mut wallet_proxy = create_wallet_proxy(test_dir);
 	let chain = wallet_proxy.chain.clone();
+	let stopper = wallet_proxy.running.clone();
 
 	// Create a new wallet test client, and set its queues to communicate with the
 	// proxy
@@ -248,6 +250,7 @@ fn file_repost_test_impl(test_dir: &'static str) -> Result<(), libwallet::Error>
 	})?;
 
 	// let logging finish
+	stopper.store(false, Ordering::Relaxed);
 	thread::sleep(Duration::from_millis(200));
 	Ok(())
 }