Merge topic 'create_test_sourcelist-full-filepath'

a29ca55b1f create_test_sourcelist: use the full path to the driver
609af7734f cmCreateTestSourceList: simplify string operations

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Merge-request: !9060