非Spring项目下使用H2数据库做UnitTest

<dependency>
    <groupId>junit</groupId>
    <artifactId>junit</artifactId>
    <scope>test</version>
</dependency>
<dependency>
    <groupId>com.h2database</groupId>
    <artifactId>h2</artifactId>
    <version>2.1.214</version>
    <scope>test</version>
</dependency>

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.sql.*;

public class TestClass throws Exception{
    Connection conn = null;

    @Before
    public void beforeTest(){
        String URL = "jdbc:h2:mem:test;DB_COLSE_DELAY=-1";
        String USR = "sa";
        String PSD = "666666";
        Class.forName("org.h2.Driver");
        conn = DriverManager.getConnection(URL,USR,PSD);
        Statement statement = conn.createStatement();
        statement.execute("drop table if exists user");
        statement.execute("create table user ( id NUMBER, name VARCHAR2(10) )");
        statement.execute("insert into user(id,name) values (1,hhh)");

        ResultSet resultSet = statement.executeQuery("select * from user");

        while(resultSet.next()){
            resultSet.getInteger("id");
            resultSer.getString("name");
        }
    }

    @After
    public void afterTest() throws Exception{
        Statement statement = conn.createStatement();
        statement.execute("drop table if exists user");
    }

    @Test
    public void Test(){
        ...
    }
}