New source found from dndbeyond.com

ddb_main/subApps/builder/components/Listing/Listing.tsx

@@ -1,6 +1,8 @@
 import clsx from "clsx";
 import { FC, HTMLAttributes } from "react";
 
+import { NoResultsFound } from "~/components/NoResultsFound";
+
 import { GroupedListingItem, ListingItem } from "../../types";
 import { ListingGroup } from "./ListingGroup";
 import { ListingItemButton } from "./ListingItemButton/ListingItemButton";
@@ -50,7 +52,7 @@ export const Listing: FC<ListingProps> = ({
           );
         })
       ) : (
-        <p className={styles.notFound}>No Listings Found</p>
+        <NoResultsFound message="No listings found." />
       )}
     </div>
   );

ddb_main/subApps/builder/components/Listing/ListingGroup/ListingGroup.tsx

@@ -82,6 +82,7 @@ export const ListingGroup: FC<ListingGroupProps> = ({
             isDisabled={disabledIds && disabledIds.includes(item.id)}
             key={item.id}
             onQuickSelect={onQuickSelect}
+            data-testid="optionButton"
           />
         ))}
       </div>