Attempt to fix tests.

src/components/LibraryMenuHeaderContent.tsx

@@ -191,6 +191,7 @@ export const LibraryDropdownMenuButton: React.FC<{
       <DropdownMenu open={isLibraryMenuOpen}>
         <DropdownMenu.Trigger
           onToggle={() => setIsLibraryMenuOpen(!isLibraryMenuOpen)}
+          aria-label="Library menu"
         >
           {DotsIcon}
         </DropdownMenu.Trigger>

src/components/main-menu/MainMenu.tsx

@@ -57,6 +57,7 @@ const MainMenu = Object.assign(
                 });
               }}
               data-testid="main-menu-trigger"
+              aria-label="Main menu"
             >
               {HamburgerMenuIcon}
             </DropdownMenu.Trigger>