sys-apps/diffutils: Restrict "test" feature

These tests always fail when building for devices so we don't want to
run them by default, even when dragged in as a test dependency.

BUG=None
TEST=None

Change-Id: Ia1faf913633994f19cc1e409841cf21a98157b1e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/1862709
Tested-by: Chris McDonald <cjmcdonald@chromium.org>
Auto-Submit: Chris McDonald <cjmcdonald@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
diff --git a/sys-apps/diffutils/diffutils-3.3.ebuild b/sys-apps/diffutils/diffutils-3.3.ebuild
index e406e43..1cb5b20 100644
--- a/sys-apps/diffutils/diffutils-3.3.ebuild
+++ b/sys-apps/diffutils/diffutils-3.3.ebuild
@@ -15,6 +15,7 @@
 SLOT="0"
 KEYWORDS="*"
 IUSE="nls static"
+RESTRICT="test"
 
 DEPEND="app-arch/xz-utils
 	nls? ( sys-devel/gettext )"