Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
---
 tests/qemu-iotests/093 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/qemu-iotests/093 b/tests/qemu-iotests/093
index c3404a3171..6a62f6f01d 100755
--- a/tests/qemu-iotests/093
+++ b/tests/qemu-iotests/093
@@ -372,4 +372,5 @@ class ThrottleTestRemovableMedia(iotests.QMPTestCase):
 
 
 if __name__ == '__main__':
+    iotests.require_formats("null-co", "null-aio")
     iotests.main(supported_fmts=["raw"])
-- 
2.14.3