Harden unknown vendor value fallbacks

tests/test_select_display.py

@@ -2,7 +2,7 @@
 from custom_components.localthings.select import _display
 
 _UNTRANSLATED = None
-_TRANSLATED = 'door_alert'
+_TRANSLATED = 'ice_type'
 
 
 def test_display_titlecases_a_fully_lowercase_device_native_token():

tests/test_select_options.py

@@ -49,7 +49,7 @@ def test_callable_options_receives_full_resource_snapshot():
         '/other/vs/0': {'codes': ['1C', '1D']},
     }
     entity = _make_select(desc, '/x/vs/0', resources)
-    assert entity.options == ['1c', '1d']
+    assert entity.options == ['1C', '1D']
     assert calls == [resources]