Add squeezebox API failure test (#128066)

* add api failure test

* Update tests/components/squeezebox/test_init.py

---------

Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>

tests/components/squeezebox/test_init.py

@@ -0,0 +1,23 @@
+"""Test squeezebox initialization."""
+
+from unittest.mock import patch
+
+from homeassistant.core import HomeAssistant
+
+from tests.common import MockConfigEntry
+
+
+async def test_init_api_fail(
+    hass: HomeAssistant,
+    config_entry: MockConfigEntry,
+) -> None:
+    """Test init fail due to API fail."""
+
+    # Setup component to fail...
+    with (
+        patch(
+            "homeassistant.components.squeezebox.Server.async_query",
+            return_value=False,
+        ),
+    ):
+        assert not await hass.config_entries.async_setup(config_entry.entry_id)