Fix test

Author: sjrl

integrations/google_genai/tests/test_document_embedder.py

@@ -233,4 +233,5 @@ def test_run(self):
             assert len(doc.embedding) == 768
             assert all(isinstance(x, float) for x in doc.embedding)
 
-        assert result["documents"][0].meta == {"model": model}
+        assert result["documents"][0].meta == {"model": model, "topic": "Cuisine"}
+        assert result["documents"][1].meta == {"model": model, "topic": "ML"}