Fix test failures due to scoped class names

src/tile/TileAvatar.tsx

@@ -7,6 +7,7 @@ Please see LICENSE in the repository root for full details.
 
 import { type FC } from "react";
 import { InlineSpinner } from "@vector-im/compound-web";
+import { useTranslation } from "react-i18next";
 
 import styles from "./TileAvatar.module.css";
 import { Avatar, type Props as AvatarProps } from "../Avatar";
@@ -17,11 +18,12 @@ interface Props extends AvatarProps {
 }
 
 export const TileAvatar: FC<Props> = ({ size, loading, ...props }) => {
+  const { t } = useTranslation();
   return (
     <div>
       {loading && (
         <div className={styles.loading}>
-          <InlineSpinner size={size / 3} />
+          <InlineSpinner size={size / 3} aria-label={t("common.loading")} />
         </div>
       )}
       <Avatar size={size} {...props} />