From: Max Reitz <mreitz@redhat.com>

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190201192935.18394-7-mreitz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
---
 tests/qemu-iotests/iotests.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index b461f53abf..d80fd7fc2a 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -304,6 +304,16 @@ def filter_img_info(output, filename):
         lines.append(line)
     return '\n'.join(lines)
 
+def filter_imgfmt(msg):
+    return msg.replace(imgfmt, 'IMGFMT')
+
+def filter_qmp_imgfmt(qmsg):
+    def _filter(key, value):
+        if is_str(value):
+            return filter_imgfmt(value)
+        return value
+    return filter_qmp(qmsg, _filter)
+
 def log(msg, filters=[], indent=None):
     '''Logs either a string message or a JSON serializable message (like QMP).
     If indent is provided, JSON serializable messages are pretty-printed.'''
-- 
2.20.1