Update the Cxx test call sites

Accelerators/Dax/Testing/Cxx/CMakeLists.txt

Accelerators/Piston/Testing/Cxx/CMakeLists.txt

Charts/Core/Testing/Cxx/CMakeLists.txt

Common/Color/Testing/Cxx/CMakeLists.txt

Common/ComputationalGeometry/Testing/Cxx/CMakeLists.txt

Common/Core/Testing/Cxx/CMakeLists.txt

Common/Core/Testing/Cxx/TestArrayCasting.cxx

Common/DataModel/Testing/Cxx/CMakeLists.txt

Common/ExecutionModel/Testing/Cxx/CMakeLists.txt

Common/Math/Testing/Cxx/CMakeLists.txt

Common/Misc/Testing/Cxx/CMakeLists.txt

Common/System/Testing/Cxx/CMakeLists.txt

Common/Transforms/Testing/Cxx/CMakeLists.txt

Domains/Chemistry/Testing/Cxx/CMakeLists.txt

Examples/IO/Cxx/CMakeLists.txt

Examples/ImageProcessing/Cxx/CMakeLists.txt

Examples/Medical/Cxx/CMakeLists.txt

Examples/Modelling/Cxx/CMakeLists.txt

Examples/VisualizationAlgorithms/Cxx/CMakeLists.txt

Examples/Widgets/Cxx/CMakeLists.txt