The Qt buildsystem is creating the config files for it even
when it is not building QtDBus, so Qt5DBus_FOUND = True.
Re-enable the CI testing on mac with this change.
Task-number: QTBUG-25522
Change-Id: I5d2690d17fde6c5aabcbdd3e2eef9f0846edd97d
Reviewed-by: Alexander Neundorf <neundorf@kde.org>
Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>