protected void setUp() throws Exception {
dataSource = new DruidDataSource();
dataSource.setUrl("jdbc:mock:xxx");
dataSource.setTestOnBorrow(false);
dataSource.setPoolPreparedStatements(true);
dataSource.getProxyFilters().add(new FilterAdapter() {
public int connection_getTransactionIsolation(FilterChain chain, ConnectionProxy connection)
throws SQLException {
throw new SQLException();
}