Clear queue and Add queue to playlist were named by a `title` attribute and nothing else, while the close button beside them has carried an `aria-label` since #24. They get one too. `title` is a name, so this is the weak-name case rather than the missing one: it is the *last* fallback in the accname order, so any content put inside the button later silently outranks it, and a phone has no hover to show it. The `title`s stay — on a desktop they are also the tooltip for an icon-only control, which is a different job. The assertion is the part worth reading. The obvious spec — `getByRole` by name, which is what `queue-overlay.spec.ts` already does for the close button — is **green on the broken build**: measured against the running pre-fix app, both buttons matched. So the second test states the property as what it is, that the name is not the tooltip: it removes the `title` attributes and asks again, which was 0 and 0 on main and is 1 and 1 now. Closes #170