t/v2writable.t | 5 +++++

diff --git a/t/v2writable.t b/t/v2writable.t
index bbe6d14b7fecf3e7720f3e37fe1835c65430fc87..5245a84b1fbcfaea56bfa63c1fe7e7c14b60298c 100644
--- a/t/v2writable.t
+++ b/t/v2writable.t
@@ -218,6 +218,11 @@ 		ok(index($before, $oid) > 0, 'no new blob introduced');
 	} else {
 		fail('failed to extract blob from log output');
 	}
+	is($im->remove($mime, 'test removal'), undef,
+		'remove is idempotent');
+	$im->done;
+	is($git0->qx(qw(log -1 --pretty=raw --raw -r --no-abbrev)),
+		$after, 'no git history made with idempotent remove');
 }
 
 done_testing();