[PATCH v2 8/9] tests/avocado/machine_aarch64_sbsaref.py: allow for rw usage of image

[Cleber Rosa <crosa@xxxxxxxxxx>]

When the OpenBSD based tests are run in parallel, the previously
single instance of the image would become corrupt.  Let's give each
test its own snapshot.

Signed-off-by: Cleber Rosa <crosa@xxxxxxxxxx>
---
 tests/avocado/machine_aarch64_sbsaref.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/avocado/machine_aarch64_sbsaref.py b/tests/avocado/machine_aarch64_sbsaref.py
index 756f316ac9..f8bf40c192 100644
--- a/tests/avocado/machine_aarch64_sbsaref.py
+++ b/tests/avocado/machine_aarch64_sbsaref.py
@@ -190,7 +190,7 @@ def boot_openbsd73(self, cpu):
             "-cpu",
             cpu,
             "-drive",
-            f"file={img_path},format=raw",
+            f"file={img_path},format=raw,snapshot=on",
         )
 
         self.vm.launch()
-- 
2.45.2