diff --git a/sync/src/chain.rs b/sync/src/chain.rs
index 40cbd496b..b918c960d 100644
--- a/sync/src/chain.rs
+++ b/sync/src/chain.rs
@@ -1016,4 +1016,22 @@ impl ChainSync {
 
 #[cfg(test)]
 mod tests {
+	use tests::helpers::*;
+	use super::*;
+	use util::*;
+
+	#[test]
+	fn return_receipts() {
+		let mut client = TestBlockChainClient::new();
+		let mut queue:VecDeque<TestPacket> = VecDeque::new();
+		let mut io = TestIo::new(& mut client, & mut queue, None);
+
+		let sync = ChainSync::new();
+		let data = vec![0xc0];
+		let rlp = UntrustedRlp::new(&data);
+
+		let result = sync.return_receipts(& mut io, &rlp);
+
+		assert!(result.is_ok());
+	}
 }
\ No newline at end of file
diff --git a/sync/src/tests/chain.rs b/sync/src/tests/chain.rs
index 083a9bd33..fcd9b6a7b 100644
--- a/sync/src/tests/chain.rs
+++ b/sync/src/tests/chain.rs
@@ -5,7 +5,7 @@ use chain::{SyncState};
 use super::helpers::*;
 
 #[test]
-fn chain_two_peers() {
+fn two_peers() {
 	::env_logger::init().ok();
 	let mut net = TestNet::new(3);
 	net.peer_mut(1).chain.add_blocks(1000, false);
@@ -16,7 +16,7 @@ fn chain_two_peers() {
 }
 
 #[test]
-fn chain_status_after_sync() {
+fn status_after_sync() {
 	::env_logger::init().ok();
 	let mut net = TestNet::new(3);
 	net.peer_mut(1).chain.add_blocks(1000, false);
@@ -27,7 +27,7 @@ fn chain_status_after_sync() {
 }
 
 #[test]
-fn chain_takes_few_steps() {
+fn takes_few_steps() {
 	let mut net = TestNet::new(3);
 	net.peer_mut(1).chain.add_blocks(100, false);
 	net.peer_mut(2).chain.add_blocks(100, false);
@@ -36,7 +36,7 @@ fn chain_takes_few_steps() {
 }
 
 #[test]
-fn chain_empty_blocks() {
+fn empty_blocks() {
 	::env_logger::init().ok();
 	let mut net = TestNet::new(3);
 	for n in 0..200 {
@@ -49,7 +49,7 @@ fn chain_empty_blocks() {
 }
 
 #[test]
-fn chain_forked() {
+fn forked() {
 	::env_logger::init().ok();
 	let mut net = TestNet::new(3);
 	net.peer_mut(0).chain.add_blocks(300, false);
@@ -69,7 +69,7 @@ fn chain_forked() {
 }
 
 #[test]
-fn chain_restart() {
+fn restart() {
 	let mut net = TestNet::new(3);
 	net.peer_mut(1).chain.add_blocks(1000, false);
 	net.peer_mut(2).chain.add_blocks(1000, false);
@@ -85,7 +85,7 @@ fn chain_restart() {
 }
 
 #[test]
-fn chain_status_empty() {
+fn status_empty() {
 	let net = TestNet::new(2);
 	assert_eq!(net.peer(0).sync.status().state, SyncState::NotSynced);
 }
\ No newline at end of file
diff --git a/sync/src/tests/helpers.rs b/sync/src/tests/helpers.rs
index 7fdd695fb..405d1e5c1 100644
--- a/sync/src/tests/helpers.rs
+++ b/sync/src/tests/helpers.rs
@@ -15,7 +15,7 @@ pub struct TestBlockChainClient {
 }
 
 impl TestBlockChainClient {
-	fn new() -> TestBlockChainClient {
+	pub fn new() -> TestBlockChainClient {
 
 		let mut client = TestBlockChainClient {
 			blocks: RwLock::new(HashMap::new()),
@@ -196,7 +196,7 @@ pub struct TestIo<'p> {
 }
 
 impl<'p> TestIo<'p> {
-	fn new(chain: &'p mut TestBlockChainClient, queue: &'p mut VecDeque<TestPacket>, sender: Option<PeerId>) -> TestIo<'p> {
+	pub fn new(chain: &'p mut TestBlockChainClient, queue: &'p mut VecDeque<TestPacket>, sender: Option<PeerId>) -> TestIo<'p> {
 		TestIo {
 			chain: chain,
 			queue: queue,