cmake externaldata_add_test(DATA) examples

InsightSoftwareConsortium/ITK CMake/ExternalData.cmake :32 

ExternalData_Add_Test(MyData
  NAME MyTest
  COMMAND MyExe DATA{MyInput.png}
  )

InsightSoftwareConsortium/ITK CMake/ExternalData.cmake :67 

ExternalData_Add_Test(
  <target>   # Name of data management target
  ...        # Arguments of add_test(), DATA{} allowed
  )