import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Collections;
import java.util.HashMap;
<BUG>import java.util.Map;
import static org.junit.Assert.assertNotSame;</BUG>
import static org.junit.Assert.assertSame;
public class ShardingConnectionTest {
private static final DataSource MASTER_DATA_SOURCE = new TestDataSource("test_ds_master");

import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertSame;
public class ShardingConnectionTest {
private static final DataSource MASTER_DATA_SOURCE = new TestDataSource("test_ds_master");
