chore: skip warning messages when pytest auto-collecting the vdb test class by removing `Test` prefix (#3906)

api/tests/integration_tests/vdb/milvus/test_milvus.py

 from core.rag.datasource.vdb.milvus.milvus_vector import MilvusConfig, MilvusVector
 from tests.integration_tests.vdb.test_vector_store import (
-    AbstractTestVector,
+    AbstractVectorTest,
     get_example_text,
     setup_mock_redis,
 )
 
 
-class TestMilvusVector(AbstractTestVector):
+class MilvusVectorTest(AbstractVectorTest):
     def __init__(self):
         super().__init__()
         self.vector = MilvusVector(
 
 
 def test_milvus_vector(setup_mock_redis):
-    TestMilvusVector().run_all_tests()
+    MilvusVectorTest().run_all_tests()

api/tests/integration_tests/vdb/qdrant/test_qdrant.py

 from core.rag.datasource.vdb.qdrant.qdrant_vector import QdrantConfig, QdrantVector
 from tests.integration_tests.vdb.test_vector_store import (
-    AbstractTestVector,
+    AbstractVectorTest,
     setup_mock_redis,
 )
 
 
-class TestQdrantVector(AbstractTestVector):
+class QdrantVectorTest(AbstractVectorTest):
     def __init__(self):
         super().__init__()
         self.attributes = ['doc_id', 'dataset_id', 'document_id', 'doc_hash']
 
 
 def test_qdrant_vector(setup_mock_redis):
-    TestQdrantVector().run_all_tests()
+    QdrantVectorTest().run_all_tests()

api/tests/integration_tests/vdb/test_vector_store.py

     ext_redis.redis_client.lock = mock_redis_lock
 
 
-class AbstractTestVector:
+class AbstractVectorTest:
     def __init__(self):
         self.vector = None
         self.dataset_id = str(uuid.uuid4())

api/tests/integration_tests/vdb/weaviate/test_weaviate.py

 from core.rag.datasource.vdb.weaviate.weaviate_vector import WeaviateConfig, WeaviateVector
 from tests.integration_tests.vdb.test_vector_store import (
-    AbstractTestVector,
+    AbstractVectorTest,
     setup_mock_redis,
 )
 
 
-class TestWeaviateVector(AbstractTestVector):
+class WeaviateVectorTest(AbstractVectorTest):
     def __init__(self):
         super().__init__()
         self.attributes = ['doc_id', 'dataset_id', 'document_id', 'doc_hash']
 
 
 def test_weaviate_vector(setup_mock_redis):
-    TestWeaviateVector().run_all_tests()
+    WeaviateVectorTest().run_all_tests()