tst_qnetworkreply causes qWarnings on symbian and windows

c:\dev\qt\qt-earth-team\tests\auto\qnetworkreply>debug\tst_qnetworkreply.exe ioPostToHttpEmptyUploadProgress downloadProgress

QObject::connect: Cannot connect (null)::destroyed() to QHostInfoLookupManager::
waitForThreadPoolDone()
"********* Start testing of tst_QNetworkReply *********
Config: Using QTest library 4.8.0, Qt 4.8.0
PASS : tst_QNetworkReply::initTestCase()
QWARN : tst_QNetworkReply::ioPostToHttpEmptyUploadProgress() QHttpNetworkConnec
tionChannel::_q_receiveReply() called without QHttpNetworkReply, 0 bytes on sock
et.
PASS : tst_QNetworkReply::ioPostToHttpEmptyUploadProgress()
QWARN : tst_QNetworkReply::downloadProgress(empty) QNetworkAccessDebugPipeBacke
nd::socketError() 1
QWARN : tst_QNetworkReply::downloadProgress(small) QNetworkAccessDebugPipeBacke
nd::socketError() 1
QWARN : tst_QNetworkReply::downloadProgress(big) QNetworkAccessDebugPipeBackend
::socketError() 1
PASS : tst_QNetworkReply::downloadProgress()
PASS : tst_QNetworkReply::cleanupTestCase()
Totals: 4 passed, 0 failed, 0 skipped
"********* Finished testing of tst_QNetworkReply *********