Fix use declarations in tests.

src/proto/peer/message.rs

@@ -159,7 +159,7 @@ mod tests {
 
     use bytes::BytesMut;
 
-    use proto::codec::tests::{expect_io_error, roundtrip};
+    use proto::base_codec::tests::{expect_io_error, roundtrip};
     use proto::{Decode, ProtoEncoder};
 
     use super::*;

src/proto/server/request.rs

@@ -587,7 +587,7 @@ mod tests {
 
     use bytes::BytesMut;
 
-    use proto::codec::tests::{expect_io_error, roundtrip};
+    use proto::base_codec::tests::{expect_io_error, roundtrip};
     use proto::{Decode, ProtoEncoder};
 
     use super::*;

src/proto/server/response.rs

@@ -1344,7 +1344,7 @@ mod tests {
 
     use bytes::BytesMut;
 
-    use proto::codec::tests::{expect_io_error, roundtrip};
+    use proto::base_codec::tests::{expect_io_error, roundtrip};
     use proto::{Decode, ProtoEncoder};
 
     use super::*;