pci_devices: Decrease the wait timeout

The timeout 10s was chosed to not slow-down the test execution much, but
usually less than 1s is enough. These days the boot takes < 20s,
sometimes even 5s so let's decrease the timeout to suitable but still
safe 5s.
Signed-off-by: NLukáš Doktor <ldoktor@redhat.com>

qemu/tests/pci_devices.py

@@ -356,8 +356,8 @@ def run(test, params, env):
     vm = env.get_vm(params["main_vm"])
 
     # PCI devices are initialized by firmware, which might require some time
-    # to setup. Wait 10s before getting the qtree.
-    time.sleep(10)
+    # to setup. Wait 5s before getting the qtree.
+    time.sleep(5)
     qtree = qemu_qtree.QtreeContainer()
 
     error.context("Verify qtree vs. qemu devices", logging.info)