tests: fix pretending VM is running

After fixing cyclic import, qmemman is now imported in tests too and
expects "xid" property to be set on a running VM.

qubes/tests/vm/qubesvm.py

@@ -1710,6 +1710,7 @@ def test_621_qdb_vm_with_network(self, mock_qubesdb, mock_urandom,
         # pretend the VM is running...
         vm._qubesprop_xid = 3
         netvm.kernel = None
+        netvm._qubesprop_xid = 4
         test_qubesdb = TestQubesDB()
         mock_qubesdb.write.side_effect = test_qubesdb.write
         mock_qubesdb.rm.side_effect = test_qubesdb.rm
@@ -1855,6 +1856,7 @@ def test_622_qdb_guivm_keyboard_layout(self, mock_qubesdb, mock_urandom,
         vm.netvm = None
         vm.guivm = guivm
         vm.is_running = lambda: True
+        vm._qubesprop_xid = 2
         guivm.keyboard_layout = 'fr++'
         guivm.is_running = lambda: True
         guivm._libvirt_domain = unittest.mock.Mock(**{'ID.return_value': 2})
@@ -1905,6 +1907,7 @@ def test_623_qdb_audiovm(self, mock_qubesdb, mock_urandom,
         vm.netvm = None
         vm.audiovm = audiovm
         vm.is_running = lambda: True
+        vm._qubesprop_xid = 2
         audiovm.is_running = lambda: True
         audiovm._libvirt_domain = unittest.mock.Mock(**{'ID.return_value': 2})
         vm.events_enabled = True
@@ -1978,6 +1981,7 @@ def test_625_qdb_keyboard_layout_change(self, mock_qubesdb, mock_urandom,
         vm.netvm = None
         vm.guivm = guivm
         vm.is_running = lambda: True
+        vm._qubesprop_xid = 2
         guivm.keyboard_layout = 'fr++'
         guivm.is_running = lambda: True
         guivm._libvirt_domain = unittest.mock.Mock(**{'ID.return_value': 2})