Fix TestBlackbox::auxiliaryInputsFromDependencies()
Fix TestBlackbox::auxiliaryInputsFromDependencies()

It failed for systems with low timestamp resolution.

Change-Id: I0c16a134f5042937209defee4598a556ec6dffc7
Reviewed-by: Joerg Bornemann <47777b9406dbddd02a3fdca8341789a013805a11@qt.io>

qt-labs/qbs,qt-labs/qbs,qtproject/qt-labs-qbs,qt-labs/qbs,qt-labs/qbs,qtproject/qt-labs-qbs,qtproject/qt-labs-qbs,qt-labs/qbs,qtproject/qt-labs-qbs,qtproject/qt-labs-qbs,qtproject/qt-labs-qbs,qt-labs/qbs,qt-labs/qbs,qtproject/qt-labs-qbs