TestScion::dynamic fails in '5.13.0'

Continuous Integration: Failed

The test execution failed ('/Users/qt/work/qt/qtscxml/tests/auto/scion'). The CI rejected the staged commits due to the beforementioned reason. Possible reason could be a bug in one of the commits or some more recent change. Please investigate it.

The error was in "qt/qtscxml", revision: 832c9b8917672b5132d053e211a407b437cdc858

Could not parse build log for execution phase testing /Users/qt/work/qt/qtscxml/tests/auto/scion

Build log: https://testresults.qt.io/logs/qt/qtscxml/c8c6e6eb88c053a984d5350ad07f4a8171eb35c5/MacOSMacOS_10_13x86_64MacOSMacOS_10_13x86_64Clangqtci-macos-10.13-x86_64-2-9ce7d2DebugAndRelease_Release/32a6cafe081725ee7067abffb027ba966f2c0bb5/test_1557320526/log.txt.gz

Details: https://testresults.qt.io/coin/integration/qt/qtscxml/tasks/1557320332

Tested changes (refs/builds/qtci/5.13.0/1557315689):
https://codereview.qt-project.org/#/q/c182990fa861482c6749f1ef97ac62752e176dec,n,z Add changes file for Qt 5.13.0