[PULL 6/7] iotests.py: add qemu_io_popen()

[Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>]

Add qemu-io Popen constructor wrapper. To be used in the following new
test commit.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Nikita Lapshin <nikita.lapshin@virtuozzo.com>
---
 tests/qemu-iotests/iotests.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index 1ed3eb1058..69d380e137 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -246,6 +246,9 @@ def qemu_io_wrap_args(args: Sequence[str]) -> List[str]:
     else:
         return qemu_io_args + list(args)
 
+def qemu_io_popen(*args):
+    return qemu_tool_popen(qemu_io_wrap_args(args))
+
 def qemu_io(*args):
     '''Run qemu-io and return the stdout data'''
     return qemu_tool_pipe_and_status('qemu-io', qemu_io_wrap_args(args))[0]
-- 
2.31.1