* **And**, if autocomplete behavior is desired, verify that only the text input element of the combobox has the `aria-autocomplete` attribute 
and that it is set to a value that corresponds to the intended behavior

Combobox behaviors:
* If the combobox does _not_ have autocomplete behavior, remove the `aria-autocomplete` attribute (the default value is `aria-autocomplete="none"`)
* **Or**, if the combobox has autocomplete behavior with no text input, use `aria-autocomplete="list"` (see example)
* **Or**, i