@Override
    public boolean next() throws SQLException {
        return proxyBackendHandler.next();
    }
@Test
    void assertNext() throws SQLException, NoSuchFieldException, IllegalAccessException {
        MySQLComQueryPacketExecutor actual = new MySQLComQueryPacketExecutor(packet, connectionSession);
        MemberAccessor accessor = Plugins.getMemberAccessor();
        accessor.set(MySQLComQueryPacketExecutor.class.getDeclaredField("proxyBackendHandler"), actual, proxyBackendHandler);
        when(proxyBackendHandler.next()).thenReturn(true, false);
        assertTrue(actual.next());
        assertFalse(actual.next());
    }