InDetOverlay: Fix warnings in TRTOverlay_test.
Disable thread-safety checking for TRTOverlay_test; otherwise we get warnings from gmock.
Fix some signed/unsigned comparison warnings.
List main source first in the cmake file.
GitLab jobs artifacts no longer stored forever as of Monday, November 4th 08:30h. Further information under https://cern.ch/otg0152576
Disable thread-safety checking for TRTOverlay_test; otherwise we get warnings from gmock.
Fix some signed/unsigned comparison warnings.
List main source first in the cmake file.