tst_QDoubleSpinBox::editingFinished() is flakey

agent:2018/08/20 10:39:15 build.go:187: /Users/qt/work/qt/qtbase/tests/auto/widgets/widgets/qdoublespinbox/target_wrapper.sh  ./tst_qdoublespinbox -o /Users/qt/work/testresults/tests/auto/widgets/widgets/qdoublespinbox582176233,xml -o -,txt
agent:2018/08/20 10:39:16 build.go:187: ********* Start testing of tst_QDoubleSpinBox *********
agent:2018/08/20 10:39:16 build.go:187: Config: Using QtTest library 5.12.0, Qt 5.12.0 (x86_64-little_endian-lp64 shared (dynamic) release build; by Clang 9.1.0 (clang-902.0.39.1) (Apple))
agent:2018/08/20 10:39:16 build.go:187: PASS   : tst_QDoubleSpinBox::initTestCase()
...
agent:2018/08/20 10:39:18 build.go:187: PASS   : tst_QDoubleSpinBox::setReadOnly()
agent:2018/08/20 10:39:39 build.go:187: FAIL!  : tst_QDoubleSpinBox::editingFinished() '(box->hasFocus())' returned FALSE. ()
agent:2018/08/20 10:39:39 build.go:187:    Loc: [tst_qdoublespinbox.cpp(869)]
agent:2018/08/20 10:39:40 build.go:187: PASS   : tst_QDoubleSpinBox::removeAll()
...
agent:2018/08/20 10:39:50 build.go:187: PASS   : tst_QDoubleSpinBox::cleanupTestCase()
agent:2018/08/20 10:39:50 build.go:187: Totals: 454 passed, 1 failed, 0 skipped, 0 blacklisted, 34348ms
agent:2018/08/20 10:39:50 build.go:187: ********* Finished testing of tst_QDoubleSpinBox *********
agent:2018/08/20 10:39:50 build.go:187: make: *** [check] Error 1
agent:2018/08/20 10:39:50 build.go:231: Process finished with error: exit status 2
agent:2018/08/20 10:39:50 build.go:190: Error reading from stdout/err: exit status 2

agent:2018/08/20 10:40:10 runner.go:151: Re-running tests/auto/widgets/widgets/qdoublespinbox with TESTARGS=editingFinished
agent:2018/08/20 10:40:10 build.go:307: [make check -j1] 900 900
agent:2018/08/20 10:40:11 build.go:187: /Users/qt/work/qt/qtbase/tests/auto/widgets/widgets/qdoublespinbox/target_wrapper.sh  ./tst_qdoublespinbox editingFinished
...
agent:2018/08/20 10:40:11 build.go:187: PASS   : tst_QDoubleSpinBox::cleanupTestCase()
agent:2018/08/20 10:40:11 build.go:187: Totals: 3 passed, 0 failed, 0 skipped, 0 blacklisted, 411ms
agent:2018/08/20 10:40:11 build.go:187: ********* Finished testing of tst_QDoubleSpinBox *********