[ethcore]: move client test types to test-helpers (#11062)

ethcore/sync/src/tests/chain.rs

@@ -17,7 +17,7 @@
 use std::sync::Arc;
 use types::ids::BlockId;
 use client_traits::{BlockChainClient, ChainInfo};
-use ethcore::client::{TestBlockChainClient, EachBlockWith};
+use ethcore::test_helpers::{TestBlockChainClient, EachBlockWith};
 use client_traits::BlockInfo;
 use chain::SyncState;
 use super::helpers::*;

ethcore/sync/src/tests/helpers.rs

@@ -27,10 +27,9 @@ use types::{
 	io_message::ClientIoMessage,
 };
 use client_traits::{BlockChainClient, ChainNotify};
-use ethcore::client::{
-	TestBlockChainClient,
-	Client as EthcoreClient,
-	ClientConfig,
+use ethcore::{
+	client::{Client as EthcoreClient, ClientConfig},
+	test_helpers::TestBlockChainClient
 };
 use snapshot::SnapshotService;
 use spec::{self, Spec};

ethcore/sync/src/tests/snapshot.rs

@@ -21,7 +21,7 @@ use ethereum_types::H256;
 use parking_lot::Mutex;
 use bytes::Bytes;
 use snapshot::SnapshotService;
-use ethcore::client::EachBlockWith;
+use ethcore::test_helpers::EachBlockWith;
 use types::{
 	BlockNumber,
 	snapshot::{ManifestData, RestorationStatus},