Glance can now return HTTP 400 when the web-download URI fails checks up front. The test used to expect 202 and a later failed import. Accept 400 when the error mentions the bad host or filtering, and keep the old wait-for-failed-import path when Glance still returns 202. Related-Bug: #2138602 Change-Id: I1ec58edd6029fbc8e667e008f5017c71d70cc09f Signed-off-by: Abhishek Kekane <akekane@redhat.com>