Initialize autooff features only when data is available (#933)

For power strips, the autooff data needs to be requested from the
children.
Until we do that, we should not create these features to avoid crashing
during switch platform initialization.

This also ports the module to use `_initialize_features` and add tests.

kasa/smart/modules/autooff.py

@@ -2,14 +2,13 @@
 
 from __future__ import annotations
 
+import logging
 from datetime import datetime, timedelta
-from typing import TYPE_CHECKING
 
 from ...feature import Feature
 from ..smartmodule import SmartModule
 
-if TYPE_CHECKING:
-    from ..smartdevice import SmartDevice
+_LOGGER = logging.getLogger(__name__)
 
 
 class AutoOff(SmartModule):
@@ -18,11 +17,17 @@ class AutoOff(SmartModule):
     REQUIRED_COMPONENT = "auto_off"
     QUERY_GETTER_NAME = "get_auto_off_config"
 
-    def __init__(self, device: SmartDevice, module: str):
-        super().__init__(device, module)
+    def _initialize_features(self):
+        """Initialize features after the initial update."""
+        if not isinstance(self.data, dict):
+            _LOGGER.warning(
+                "No data available for module, skipping %s: %s", self, self.data
+            )
+            return
+
         self._add_feature(
             Feature(
-                device,
+                self._device,
                 id="auto_off_enabled",
                 name="Auto off enabled",
                 container=self,
@@ -33,7 +38,7 @@ class AutoOff(SmartModule):
         )
         self._add_feature(
             Feature(
-                device,
+                self._device,
                 id="auto_off_minutes",
                 name="Auto off minutes",
                 container=self,
@@ -44,7 +49,7 @@ class AutoOff(SmartModule):
         )
         self._add_feature(
             Feature(
-                device,
+                self._device,
                 id="auto_off_at",
                 name="Auto off at",
                 container=self,