Split the Shopping List user flow init from its data (#180773)

tests/components/shopping_list/test_config_flow.py

@@ -30,7 +30,15 @@ async def test_user_confirm(hass: HomeAssistant) -> None:
     """Test we can finish a config flow."""
 
     result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": SOURCE_USER}, data={}
+        DOMAIN, context={"source": SOURCE_USER}
+    )
+
+    assert result["type"] is FlowResultType.FORM
+    assert result["step_id"] == "user"
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        user_input={},
     )
 
     assert result["type"] is FlowResultType.CREATE_ENTRY