| CMake Error at .*/Modules/ExternalData.cmake:[0-9]+ \(message\): | |
| Data directory referenced by argument | |
| DATA{Directory2/} | |
| must list associated files. | |
| Call Stack \(most recent call first\): | |
| .* | |
| Directory2.cmake:3 \(ExternalData_Add_Test\) | |
| CMakeLists.txt:3 \(include\) |