diff --git a/script/scaffold/templates/config_flow/integration/config_flow.py b/script/scaffold/templates/config_flow/integration/config_flow.py
index e2452b5324d..bfa1d65c257 100644
--- a/script/scaffold/templates/config_flow/integration/config_flow.py
+++ b/script/scaffold/templates/config_flow/integration/config_flow.py
@@ -13,22 +13,49 @@ _LOGGER = logging.getLogger(__name__)
 DATA_SCHEMA = vol.Schema({"host": str, "username": str, "password": str})
 
 
+class PlaceholderHub:
+    """Placeholder class to make tests pass.
+
+    TODO Remove this placeholder class and replace with things from your PyPI package.
+    """
+
+    def __init__(self, host):
+        """Initialize."""
+        self.host = host
+
+    async def authenticate(self, username, password) -> bool:
+        """Test if we can authenticate with the host."""
+        return True
+
+
 async def validate_input(hass: core.HomeAssistant, data):
     """Validate the user input allows us to connect.
 
     Data has the keys from DATA_SCHEMA with values provided by the user.
     """
     # TODO validate the data can be used to set up a connection.
+
+    # If your PyPI package is not built with async, pass your methods
+    # to the executor:
+    # await hass.async_add_executor_job(
+    #     your_validate_func, data["username"], data["password"]
+    # )
+
+    hub = PlaceholderHub(data["host"])
+
+    if not await hub.authenticate(data["username"], data["password"]):
+        raise InvalidAuth
+
     # If you cannot connect:
     # throw CannotConnect
     # If the authentication is wrong:
     # InvalidAuth
 
-    # Return some info we want to store in the config entry.
+    # Return info that you want to store in the config entry.
     return {"title": "Name of the device"}
 
 
-class DomainConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
+class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for NEW_NAME."""
 
     VERSION = 1
diff --git a/script/scaffold/templates/config_flow/tests/test_config_flow.py b/script/scaffold/templates/config_flow/tests/test_config_flow.py
index b68adc897bb..3d829b5cc32 100644
--- a/script/scaffold/templates/config_flow/tests/test_config_flow.py
+++ b/script/scaffold/templates/config_flow/tests/test_config_flow.py
@@ -1,12 +1,10 @@
 """Test the NEW_NAME config flow."""
-from unittest.mock import patch
+from asynctest import patch
 
 from homeassistant import config_entries, setup
 from homeassistant.components.NEW_DOMAIN.config_flow import CannotConnect, InvalidAuth
 from homeassistant.components.NEW_DOMAIN.const import DOMAIN
 
-from tests.common import mock_coro
-
 
 async def test_form(hass):
     """Test we get the form."""
@@ -18,13 +16,12 @@ async def test_form(hass):
     assert result["errors"] == {}
 
     with patch(
-        "homeassistant.components.NEW_DOMAIN.config_flow.validate_input",
-        return_value=mock_coro({"title": "Test Title"}),
+        "homeassistant.components.NEW_DOMAIN.config_flow.PlaceholderHub.authenticate",
+        return_value=True,
     ), patch(
-        "homeassistant.components.NEW_DOMAIN.async_setup", return_value=mock_coro(True)
+        "homeassistant.components.NEW_DOMAIN.async_setup", return_value=True
     ) as mock_setup, patch(
-        "homeassistant.components.NEW_DOMAIN.async_setup_entry",
-        return_value=mock_coro(True),
+        "homeassistant.components.NEW_DOMAIN.async_setup_entry", return_value=True,
     ) as mock_setup_entry:
         result2 = await hass.config_entries.flow.async_configure(
             result["flow_id"],
@@ -36,7 +33,7 @@ async def test_form(hass):
         )
 
     assert result2["type"] == "create_entry"
-    assert result2["title"] == "Test Title"
+    assert result2["title"] == "Name of the device"
     assert result2["data"] == {
         "host": "1.1.1.1",
         "username": "test-username",
@@ -54,7 +51,7 @@ async def test_form_invalid_auth(hass):
     )
 
     with patch(
-        "homeassistant.components.NEW_DOMAIN.config_flow.validate_input",
+        "homeassistant.components.NEW_DOMAIN.config_flow.PlaceholderHub.authenticate",
         side_effect=InvalidAuth,
     ):
         result2 = await hass.config_entries.flow.async_configure(
@@ -77,7 +74,7 @@ async def test_form_cannot_connect(hass):
     )
 
     with patch(
-        "homeassistant.components.NEW_DOMAIN.config_flow.validate_input",
+        "homeassistant.components.NEW_DOMAIN.config_flow.PlaceholderHub.authenticate",
         side_effect=CannotConnect,
     ):
         result2 = await hass.config_entries.flow.async_configure(