RunCommandError: return code: 1; command: /b/c/cbuild/repository/chromite/bin/cros_sdk -- emerge-stout -p --cols --quiet --root /var/empty -e virtual/target-os
!!! All ebuilds that could satisfy "chromeos-base/gobi-cromo-plugin" for /var/empty/ have been masked.
!!! One of the following masked packages is required to complete your request:
- chromeos-base/gobi-cromo-plugin-9999::chromiumos (masked by: missing keyword, invalid: DEPEND: USE flag 'test' referenced in conditional 'test?' is not in IUSE)
- chromeos-base/gobi-cromo-plugin-1.0.1-r2850::chromiumos (masked by: invalid: DEPEND: USE flag 'test' referenced in conditional 'test?' is not in IUSE)

The following failure appears on the stout paladin.

https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/1041006

This CL was part of the change, so I'm wondering if since EAPI 6 supports in_iuse, if that's getting called somehow, and making this break?