test: unit test cases for rag.cleaner, rag.data_post_processor and rag.datasource (#32521)

api/core/rag/datasource/vdb/huawei/huawei_cloud_vector.py

@@ -124,13 +124,13 @@ class HuaweiCloudVector(BaseVector):
                 )
             )
 
+        score_threshold = float(kwargs.get("score_threshold") or 0.0)
         docs = []
         for doc, score in docs_and_scores:
-            score_threshold = float(kwargs.get("score_threshold") or 0.0)
             if score >= score_threshold:
                 if doc.metadata is not None:
                     doc.metadata["score"] = score
-            docs.append(doc)
+                    docs.append(doc)
 
         return docs