Как замокать метод правильно?

    private PreparedStatement statementMock = mock(PreparedStatement.class);
    private ResultSet rsMock = mock(ResultSet.class);
    private Connection connectionMock = mock(Connection.class);
    private ConnectionPool connectionPoolMock = mock(ConnectionPool.class);
    private String currUserEmail = "mail";
    private String account = "account";
    private String info = "info";
    private String ballance = "0";
    private boolean verified = true;
    private boolean locked = true;
 
    @Test
    public void testGetAccounts() throws SQLException {
 
        List<Account> accounts = new ArrayList<Account>();
 
        Account acc = new Account(currUserEmail, account, info, ballance, verified, locked);
        accounts.add(acc);
 
        when(connectionPoolMock.getConnection()).thenReturn(connectionMock);
        when(connectionMock.prepareStatement(SQL_ADD_CARD)).thenReturn(statementMock);
 
        PowerMockito.mockStatic(ConnectionPool.class);
        when(ConnectionPool.getInstance()).thenReturn(connectionPoolMock);
 
        factoryDAO.getAccountDao().addAccount(currUserEmail, account, info);   //----------  добавили акк
 
 
        when(connectionMock.prepareStatement(SQL_GET_ACCOUNT_INFO)).thenReturn(statementMock);
        when(statementMock.executeQuery()).thenReturn(rsMock);
        
        assertEquals(accounts, factoryDAO.getAccountDao().getAccounts(currUserEmail));  //пытаюсь получить
 
    }

@Override
    public List<Account> getAccounts(String userEmail) throws SQLException {
        PreparedStatement ps = null;
        ResultSet rs = null;
        List<Account> accounts = new ArrayList<Account>();
        Account acc;
        Connection con = null;
        try {
            con = ConnectionPool.getInstance().getConnection();
            ps = (PreparedStatement) con.prepareStatement(SQL_GET_ACCOUNT_INFO);
            ps.setString(1, userEmail);
            ps.setString(2, userEmail);
            rs = ps.executeQuery();
            while (rs.next()) {
//              acc = new Account(rs.getString("customer_email"), rs.getString("account"), rs.getString("info"),
//                      rs.getString("acc_balance"), rs.getBoolean("verified"), rs.getBoolean("locked"));
//              acc.setCurrency(rs.getString("currency"));
//              accounts.add(acc);
            }
        } finally {
            ConnectionPool.close(rs);
            ConnectionPool.close(ps);
            ConnectionPool.close(con);
        }
        return accounts;
 
    }