Thanks to a huge effort from all VTK developpers, VTK dashboards (for merge requests) are officially cleaned up as of today !
Let’s keep it that way 
The CI process is now fully documented here, a must read for any VTK contributor:
https://gitlab.kitware.com/vtk/vtk/-/blob/master/Documentation/dev/git/develop.md#continuous-integration
Note: “Not run” and “Test timings” can be ignored in CDash. I know, not great, but CDash has some specificities that we need to work around.