use CTEST_USE_LAUNCHERS correctly and use APPEND to fix the dashboard output
use CTEST_USE_LAUNCHERS correctly and use APPEND to fix the dashboard output

VcDevel/Vc,VcDevel/Vc,chr-engwer/Vc,chr-engwer/Vc,chr-engwer/Vc,VcDevel/Vc,VcDevel/Vc