qmltest::Text::test_linecount() failed on OSX and Windows

~/qt/qt5-build/qtdeclarative/tests/auto/qmltest$ make check
/Users/liangqi/qt/qt5-build/qtdeclarative/tests/auto/qmltest/target_wrapper.sh  ./tst_qmltest 
********* Start testing of qmltest *********
Config: Using QtTest library 5.6.1, Qt 5.6.1 (x86_64-little_endian-lp64 shared (dynamic) debug build; by Clang 7.3.0 (clang-703.0.31) (Apple))
...
FAIL!  : qmltest::Text::test_linecount() Compared values are not the same
   Actual   (): 2
   Expected (): 3
   Loc: [/Users/liangqi/qt/qt5/qtdeclarative/tests/auto/qmltest/text/tst_text.qml(124)]
...
********* Finished testing of qmltest *********