COMP: include( CTest ) in the Superbuild.
COMP: include( CTest ) in the Superbuild.

Fixes Dash5 CMake configuration error.

Change-Id: I51853a1ccee6bb21d080fc8179374ceac47bf5a4

InsightSoftwareConsortium/ITKExamples,InsightSoftwareConsortium/ITKExamples,InsightSoftwareConsortium/ITKExamples,InsightSoftwareConsortium/ITKExamples,InsightSoftwareConsortium/ITKExamples