test suite: t-expect-fail: Set LANGUAGE too

The user may have this in their environment, in which case we must
squash it too.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

1 files changed, 3 insertions, 1 deletions

diff --git a/tests/lib b/tests/lib
index ba87fbc..a050522 100644
--- a/tests/lib
+++ b/tests/lib
@@ -92,7 +92,9 @@ t-expect-fail () {
 	local mpat="$1"; shift
 
 	set +o pipefail
-	LC_MESSAGES=${expect_fail_lcmessages-C} "$@" 2>&1 | tee $tmp/t.output
+	LC_MESSAGES=${expect_fail_lcmessages-C} \
+	LANGUAGE=${expect_fail_lcmessages-C} \
+	"$@" 2>&1 | tee $tmp/t.output
 	local ps="${PIPESTATUS[*]}"
 	set -o pipefail