internal/tdtest: use field name in default error message
Signed-off-by: Marcel van Lohuizen <mpvl@gmail.com>
Change-Id: I20728f8ec7d6f1bb899c227cebd70ee98dd94c02
Reviewed-on: https://review.gerrithub.io/c/cue-lang/cue/+/552273
Unity-Result: CUEcueckoo <cueckoo@cuelang.org>
TryBot-Result: CUEcueckoo <cueckoo@cuelang.org>
Reviewed-by: Roger Peppe <rogpeppe@gmail.com>