fixup! fixup! fixup! fix(tracing): Add missing attributes in vercel-ai spans (#18333)

Author: isaacs

packages/core/test/lib/utils/vercelai-utils.test.ts

@@ -45,11 +45,11 @@ describe('vercel-ai-utils', () => {
             nothing: 'that we know how to handle',
           }),
         ),
-      ).toBe(undefined);
+      ).toStrictEqual([]);
     });
 
     it('should not break on invalid json', () => {
-      expect(convertPromptToMessages('this is not json')).toBe(undefined);
+      expect(convertPromptToMessages('this is not json')).toStrictEqual([]);
     });
   });
 });