Split the Twente Milieu user flow init from its data (#180645)

tests/components/twentemilieu/test_config_flow.py

@@ -5,7 +5,6 @@ from unittest.mock import MagicMock
 import pytest
 from twentemilieu import TwenteMilieuAddressError, TwenteMilieuConnectionError
 
-from homeassistant import config_entries
 from homeassistant.components.twentemilieu.const import (
     CONF_HOUSE_LETTER,
     CONF_HOUSE_NUMBER,
@@ -113,9 +112,15 @@ async def test_connection_error(
     mock_twentemilieu.unique_id.side_effect = TwenteMilieuConnectionError
 
     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={
             CONF_POST_CODE: "1234AB",
             CONF_HOUSE_NUMBER: "1",
             CONF_HOUSE_LETTER: "A",
@@ -159,9 +164,15 @@ async def test_address_already_set_up(
     """Test we abort if address has already been set up."""
     mock_config_entry.add_to_hass(hass)
     result = await hass.config_entries.flow.async_init(
-        DOMAIN,
-        context={"source": config_entries.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={
             CONF_POST_CODE: "1234AB",
             CONF_HOUSE_NUMBER: "1",
             CONF_HOUSE_LETTER: "A",