internal/core/adt: use cuetdtest for TestValidate
This helps with upcoming error position
improvements.
Signed-off-by: Marcel van Lohuizen <mpvl@gmail.com>
Change-Id: I638caadea16d115376d345f31360deaff1c8038c
Reviewed-on: https://review.gerrithub.io/c/cue-lang/cue/+/1220036
Unity-Result: CUE porcuepine <cue.porcuepine@gmail.com>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: CUEcueckoo <cueckoo@cuelang.org>