tst_QDateTime::timeZoneAbbreviation() failed on 10.9

QT_PLUGIN_PATH=/Users/liangqi/qt/qt5-build/qtbase/plugins DYLD_LIBRARY_PATH=/Users/liangqi/qt/qt5-build/qtbase/lib${DYLD_LIBRARY_PATH:+:$DYLD_LIBRARY_PATH}  ./tst_qdatetime.app/Contents/MacOS/tst_qdatetime 
********* Start testing of tst_QDateTime *********
Config: Using QtTest library 5.2.2, Qt 5.2.2
QDEBUG : tst_QDateTime::initTestCase() Current local time detected to be ahead of UTC and is the Central European timezone 
...
XFAIL  : tst_QDateTime::fromStringToStringLocale(data0) This format is apparently failing because of a bug in the datetime parser. (QTBUG-22833)
   Loc: [/Users/liangqi/qt/qt5/qtbase/tests/auto/corelib/tools/qdatetime/tst_qdatetime.cpp(2141)]
XFAIL  : tst_QDateTime::fromStringToStringLocale(data0) This format is apparently failing because of a bug in the datetime parser. (QTBUG-22833)
   Loc: [/Users/liangqi/qt/qt5/qtbase/tests/auto/corelib/tools/qdatetime/tst_qdatetime.cpp(2145)]
...
FAIL!  : tst_QDateTime::timeZoneAbbreviation() Compared values are not the same
   Actual   (dt5.timeZoneAbbreviation()): GMT+1
   Expected (QString("CET"))            : CET
   Loc: [/Users/liangqi/qt/qt5/qtbase/tests/auto/corelib/tools/qdatetime/tst_qdatetime.cpp(2312)]
...
XFAIL  : tst_QDateTime::daylightTransitions() QDateTime doesn't properly support Daylight Transitions
   Loc: [/Users/liangqi/qt/qt5/qtbase/tests/auto/corelib/tools/qdatetime/tst_qdatetime.cpp(2544)]
XFAIL  : tst_QDateTime::daylightTransitions() QDateTime doesn't properly support Daylight Transitions
   Loc: [/Users/liangqi/qt/qt5/qtbase/tests/auto/corelib/tools/qdatetime/tst_qdatetime.cpp(2555)]
XFAIL  : tst_QDateTime::daylightTransitions() QDateTime doesn't properly support Daylight Transitions
   Loc: [/Users/liangqi/qt/qt5/qtbase/tests/auto/corelib/tools/qdatetime/tst_qdatetime.cpp(2773)]
XFAIL  : tst_QDateTime::daylightTransitions() QDateTime doesn't properly support Daylight Transitions
   Loc: [/Users/liangqi/qt/qt5/qtbase/tests/auto/corelib/tools/qdatetime/tst_qdatetime.cpp(2778)]
PASS   : tst_QDateTime::daylightTransitions()
XFAIL  : tst_QDateTime::timeZones() QDateTime doesn't properly support Daylight Transitions
   Loc: [/Users/liangqi/qt/qt5/qtbase/tests/auto/corelib/tools/qdatetime/tst_qdatetime.cpp(2945)]
XFAIL  : tst_QDateTime::timeZones() QDateTime doesn't properly support Daylight Transitions
   Loc: [/Users/liangqi/qt/qt5/qtbase/tests/auto/corelib/tools/qdatetime/tst_qdatetime.cpp(2949)]
PASS   : tst_QDateTime::timeZones()
PASS   : tst_QDateTime::invalid()
PASS   : tst_QDateTime::cleanupTestCase()
Totals: 471 passed, 1 failed, 0 skipped
********* Finished testing of tst_QDateTime *********