Give unknown zwave nodes a better name (#14353)

* Give unknown zwave nodes a better name

* Update util.py

tests/components/zwave/test_init.py

@@ -238,7 +238,8 @@ async def test_unparsed_node_discovery(hass, mock_openzwave):
 
     assert len(mock_receivers) == 1
 
-    node = MockNode(node_id=14, manufacturer_name=None, is_ready=False)
+    node = MockNode(
+        node_id=14, manufacturer_name=None, name=None, is_ready=False)
 
     sleeps = []
 
@@ -263,7 +264,7 @@ async def test_unparsed_node_discovery(hass, mock_openzwave):
                 assert len(mock_logger.warning.mock_calls) == 1
                 assert mock_logger.warning.mock_calls[0][1][1:] == \
                     (14, const.NODE_READY_WAIT_SECS)
-    assert hass.states.get('zwave.mock_node').state is 'unknown'
+    assert hass.states.get('zwave.unknown_node_14').state is 'unknown'
 
 
 @asyncio.coroutine

tests/components/zwave/test_node_entity.py

@@ -363,6 +363,7 @@ class TestZWaveNodeEntity(unittest.TestCase):
     def test_unique_id_missing_data(self):
         """Test unique_id."""
         self.node.manufacturer_name = None
+        self.node.name = None
         entity = node_entity.ZWaveNodeEntity(self.node, self.zwave_network)
 
         self.assertIsNone(entity.unique_id)