win_sigverif: Fix 'sigverif logs are not created' error

Add command to ensure guest on desktop and wait 60s to make
all popups pop up to eliminate the impact of popups on autoit.

Signed-off-by: Menghuan Li menli@redhat.com

qemu/tests/win_sigverif.py

 import logging
 import re
+import time
 
 from virttest import error_context
 from virttest import utils_test
@@ -22,6 +23,8 @@ def run(test, params, env):
 
     vm = env.get_vm(params["main_vm"])
     session = vm.wait_for_login()
+    vm.send_key('meta_l-d')
+    time.sleep(60)
 
     driver_name = params["driver_name"]
     session = utils_test.qemu.windrv_check_running_verifier(session, vm,