Use setup_test_component_platform helper for update entity component tests instead of hass.components (#114203)

* Use `setup_test_component_platform` helper for update entity component tests instead of `hass.components`

* Run ruff format

tests/components/update/common.py

@@ -0,0 +1,65 @@
+"""Common test fixtures for the update component test."""
+
+import logging
+from typing import Any
+
+from homeassistant.components.update import UpdateEntity
+
+from tests.common import MockEntity
+
+_LOGGER = logging.getLogger(__name__)
+
+
+class MockUpdateEntity(MockEntity, UpdateEntity):
+    """Mock UpdateEntity class."""
+
+    @property
+    def auto_update(self) -> bool:
+        """Indicate if the device or service has auto update enabled."""
+        return self._handle("auto_update")
+
+    @property
+    def installed_version(self) -> str | None:
+        """Version currently installed and in use."""
+        return self._handle("installed_version")
+
+    @property
+    def in_progress(self) -> bool | int | None:
+        """Update installation progress."""
+        return self._handle("in_progress")
+
+    @property
+    def latest_version(self) -> str | None:
+        """Latest version available for install."""
+        return self._handle("latest_version")
+
+    @property
+    def release_summary(self) -> str | None:
+        """Summary of the release notes or changelog."""
+        return self._handle("release_summary")
+
+    @property
+    def release_url(self) -> str | None:
+        """URL to the full release notes of the latest version available."""
+        return self._handle("release_url")
+
+    @property
+    def title(self) -> str | None:
+        """Title of the software."""
+        return self._handle("title")
+
+    def install(self, version: str | None, backup: bool, **kwargs: Any) -> None:
+        """Install an update."""
+        if backup:
+            _LOGGER.info("Creating backup before installing update")
+
+        if version is not None:
+            self._values["installed_version"] = version
+            _LOGGER.info("Installed update with version: %s", version)
+        else:
+            self._values["installed_version"] = self.latest_version
+            _LOGGER.info("Installed latest update")
+
+    def release_notes(self) -> str | None:
+        """Return the release notes of the latest version."""
+        return "Release notes"