test suite: Fail tests if we look up any debian config

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

1 files changed, 1 insertions, 0 deletions

diff --git a/tests/lib b/tests/lib
index a4932d3..4f6f307 100644
--- a/tests/lib
+++ b/tests/lib
@@ -406,6 +406,7 @@ t-dgit () {
 	: '
 {{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{'
 	$dgit --dgit=$dgit --dget:-u --dput:--config=$tmp/dput.cf \
+		--config-lookup-explode=dgit-distro.debian.alias-canon \
 		${distro--dtest-dummy} ${distro+${distro:+-d}${distro}} \
 		$DGIT_TEST_OPTS $DGIT_TEST_DEBUG \
 		-k39B13D8A $t_dgit_xopts "$@"