test: sleep 10 seconds before attaching volume in test_events_resource.py

Author: weizhouapache

test/integration/smoke/test_events_resource.py

@@ -147,25 +147,17 @@ def test_01_events_resource(self):
             diskofferingid=self.disk_offering.id
         )
         self.cleanup.append(volume)
-        try:
-            virtual_machine.attach_volume(
-                self.apiclient,
-                volume
-            )
-        except Exception as e:
-            print("Failed to attach volume to VM: %s" % e)
-            pass
-
+        time.sleep(10)
+        virtual_machine.attach_volume(
+            self.apiclient,
+            volume
+        )
         virtual_machine.stop(self.apiclient)
         account_network.restart(self.apiclient, cleanup=False)
         time.sleep(self.services["sleep"])
         virtual_machine.restore(self.apiclient)
         time.sleep(self.services["sleep"])
-        try:
-            virtual_machine.detach_volume(self.apiclient, volume)
-        except Exception as e:
-            print("Failed to detach volume from VM: %s" % e)
-            pass
+        virtual_machine.detach_volume(self.apiclient, volume)
         volume.delete(self.apiclient)
         self.cleanup.remove(volume)
         ts = str(time.time())