Fix tests,

util/src/journaldb/archivedb.rs

@@ -364,7 +364,7 @@ mod tests {
 	fn reopen_fork() {
 		let mut dir = ::std::env::temp_dir();
 		dir.push(H32::random().hex());
-		let (foo, bar, baz) = {
+		let (foo, _, _) = {
 			let mut jdb = ArchiveDB::new(dir.to_str().unwrap());
 			// history is 1
 			let foo = jdb.insert(b"foo");

util/src/journaldb/optiononedb.rs

@@ -518,6 +518,7 @@ impl JournalDB for OptionOneDB {
 mod tests {
 	use common::*;
 	use super::*;
+	use super::super::traits::JournalDB;
 	use hashdb::*;
 	use log::init_log;