[TCling] For GTest, use EXPECT not ASSERT:
[TCling] For GTest, use EXPECT not ASSERT:

this collects multiple errors in one go, instead of having
to re-run with one error fixed, only to find the next error.

olifre/root,root-mirror/root,root-mirror/root,root-mirror/root,karies/root,root-mirror/root,olifre/root,karies/root,olifre/root,karies/root,karies/root,karies/root,root-mirror/root,karies/root,olifre/root,olifre/root,karies/root,root-mirror/root,olifre/root,root-mirror/root,root-mirror/root,karies/root,olifre/root,karies/root,root-mirror/root,root-mirror/root,karies/root,olifre/root,karies/root,olifre/root,root-mirror/root,olifre/root,olifre/root