Add wemo config_flow test to get 100% coverage (#62158)

tests/components/wemo/test_config_flow.py

@@ -0,0 +1,22 @@
+"""Tests for Wemo config flow."""
+
+from homeassistant import data_entry_flow
+from homeassistant.components.wemo.const import DOMAIN
+from homeassistant.config_entries import SOURCE_USER
+from homeassistant.core import HomeAssistant
+
+from tests.common import patch
+
+
+async def test_not_discovered(hass: HomeAssistant) -> None:
+    """Test setting up with no devices discovered."""
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN,
+        context={"source": SOURCE_USER},
+    )
+
+    with patch("homeassistant.components.wemo.config_flow.pywemo") as mock_pywemo:
+        mock_pywemo.discover_devices.return_value = []
+        result = await hass.config_entries.flow.async_configure(result["flow_id"], {})
+    assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
+    assert result["reason"] == "no_devices_found"