diff --git a/tests/components/zwave/test_init.py b/tests/components/zwave/test_init.py
index 1857d14ad84b3f924f93982305d179d74f3e4e54..bc96c90d50a10676b7ba36cf476c6fb999c190d2 100644
--- a/tests/components/zwave/test_init.py
+++ b/tests/components/zwave/test_init.py
@@ -749,9 +749,11 @@ class TestZWaveDeviceEntityValues(unittest.TestCase):
         self.device_config = {'mock_component.registry_id': {
             zwave.CONF_IGNORED: True
         }}
-        self.registry.async_get_or_create(
-            'mock_component', zwave.DOMAIN, '567-1000',
-            suggested_object_id='registry_id')
+        with patch.object(self.registry, 'async_schedule_save'):
+            self.registry.async_get_or_create(
+                'mock_component', zwave.DOMAIN, '567-1000',
+                suggested_object_id='registry_id')
+
         zwave.ZWaveDeviceEntityValues(
             hass=self.hass,
             schema=self.mock_schema,