qemu.tests.hotplug_mem: increase vm pause time

Signed-off-by: NXu Tian <xutian@redhat.com>

qemu/tests/cfg/hotplug_mem.cfg

@@ -109,7 +109,7 @@
             only after
         - pause_vm:
             sub_type = stop_continue
-            pause_time = 30
+            pause_time = 120
             wait_resume_timeout = "${pause_time}"
         - stress:
     variants stage:

qemu/tests/hotplug_mem.py

@@ -53,7 +53,7 @@ class MemoryHotplugSimple(MemoryHotplugTest):
         Return memory object and pc-dimm devices by given name
         """
         dev_ids = map(lambda x: "-".join([x, name]), ["mem", "dimm"])
-        deivces = filter(None, map(vm.devices.get_by_qid, dev_ids))
+        devices = filter(None, map(vm.devices.get_by_qid, dev_ids))
         return [_[0] for _ in devices]
 
     def start_test(self):