ZWave switch tests (#6722)

.coveragerc

@@ -421,7 +421,6 @@ omit =
     homeassistant/components/switch/tplink.py
     homeassistant/components/switch/transmission.py
     homeassistant/components/switch/wake_on_lan.py
-    homeassistant/components/switch/zwave.py
     homeassistant/components/telegram_webhooks.py
     homeassistant/components/thingspeak.py
     homeassistant/components/tts/amazon_polly.py

tests/components/switch/test_zwave.py

@@ -1,4 +1,6 @@
 """Test Z-Wave switches."""
+from unittest.mock import patch
+
 from homeassistant.components.switch import zwave
 
 from tests.mock.zwave import (
@@ -51,3 +53,30 @@ def test_switch_value_changed(mock_openzwave):
     value_changed(value)
 
     assert device.is_on
+
+
+@patch('time.perf_counter')
+def test_switch_refresh_on_update(mock_counter, mock_openzwave):
+    """Test value changed for refresh on update Z-Wave switch."""
+    mock_counter.return_value = 10
+    node = MockNode(manufacturer_id='013c', product_type='0001',
+                    product_id='0005')
+    value = MockValue(data=False, node=node)
+    values = MockEntityValues(primary=value)
+    device = zwave.get_device(node=node, values=values, node_config={})
+
+    assert not device.is_on
+
+    mock_counter.return_value = 15
+    value.data = True
+    value_changed(value)
+
+    assert device.is_on
+    assert not node.request_state.called
+
+    mock_counter.return_value = 45
+    value.data = False
+    value_changed(value)
+
+    assert not device.is_on
+    assert node.request_state.called