Update test cases.

package io.shardingjdbc.core.integrate.type.ms;

import io.shardingjdbc.core.api.MasterSlaveDataSourceFactory;

import io.shardingjdbc.core.api.config.MasterSlaveRuleConfiguration;

import io.shardingjdbc.core.common.base.AbstractSQLAssertTest;

import io.shardingjdbc.core.common.env.ShardingTestStrategy;

import io.shardingjdbc.core.integrate.jaxb.SQLShardingRule;

import io.shardingjdbc.core.rule.MasterSlaveRule;

import io.shardingjdbc.core.constant.DatabaseType;

import io.shardingjdbc.core.hint.HintManagerHolder;

import io.shardingjdbc.core.integrate.jaxb.SQLShardingRule;

import io.shardingjdbc.core.jdbc.core.datasource.MasterSlaveDataSource;

import org.junit.After;

import java.net.URL;

import java.sql.SQLException;

import java.util.Arrays;

import java.util.Collections;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

    }

    private MasterSlaveDataSource getMasterSlaveDataSource(final Map<String, DataSource> masterSlaveDataSourceMap) throws SQLException {

        Map<String, DataSource> slaveDs = new HashMap<>(1, 1);

        slaveDs.put("dataSource_slave_only", masterSlaveDataSourceMap.get("dataSource_slave_only"));

        return new MasterSlaveDataSource(new MasterSlaveRule("ms_only", "dataSource_master_only", masterSlaveDataSourceMap.get("dataSource_master_only"), slaveDs));

        MasterSlaveRuleConfiguration masterSlaveRuleConfig = new MasterSlaveRuleConfiguration();

        masterSlaveRuleConfig.setName("ds_ms");

        masterSlaveRuleConfig.setMasterDataSourceName("dataSource_master_only");

        masterSlaveRuleConfig.setSlaveDataSourceNames(Collections.singletonList("dataSource_slave_only"));

        return (MasterSlaveDataSource)MasterSlaveDataSourceFactory.createDataSource(masterSlaveDataSourceMap, masterSlaveRuleConfig);

    }

    @After