fixed json_tests

ethcore/src/json_tests/chain.rs

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
-use super::test_common::*;
+use std::sync::Arc;
 use client::{BlockChainClient, Client, ClientConfig};
 use block::Block;
 use ethereum;

ethcore/src/json_tests/executive.rs

@@ -14,6 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
+use std::sync::Arc;
 use super::test_common::*;
 use evm::action_params::ActionParams;
 use state::{Backend as StateBackend, State, Substate};

ethcore/src/json_tests/test_common.rs

@@ -15,6 +15,8 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 pub use util::*;
+use std::collections::HashSet;
+use std::io::Read;
 use std::fs::{File, read_dir};
 use std::path::Path;
 use std::ffi::OsString;