Add discovery support to HEOS component (#22652)

* Add discovery entry point

* Fix test

* Correct test call method

* Update netdisco to 2.6.0

tests/components/heos/test_config_flow.py

@@ -55,3 +55,28 @@ async def test_create_entry_when_host_valid(hass, controller):
     assert result['data'] == data
     assert controller.connect.call_count == 1
     assert controller.disconnect.call_count == 1
+
+
+async def test_create_entry_with_discovery(hass, controller):
+    """Test result type is create entry when valid through discovery."""
+    flow = HeosFlowHandler()
+    flow.hass = hass
+    data = {
+        'host': '127.0.0.1',
+        'manufacturer': 'Denon',
+        'model_name': 'HEOS Drive',
+        'model_number': 'DWSA-10 4.0',
+        'name': 'Office',
+        'port': 60006,
+        'serial': None,
+        'ssdp_description':
+            'http://127.0.0.1:60006/upnp/desc/aios_device/aios_device.xml',
+        'udn': 'uuid:e61de70c-2250-1c22-0080-0005cdf512be',
+        'upnp_device_type': 'urn:schemas-denon-com:device:AiosDevice:1'
+    }
+    result = await flow.async_step_discovery(data)
+    assert result['type'] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
+    assert result['title'] == 'Controller (127.0.0.1)'
+    assert result['data'] == {'host': '127.0.0.1'}
+    assert controller.connect.call_count == 1
+    assert controller.disconnect.call_count == 1