diff --git a/libs/langchain/tests/integration_tests/chains/test_retrieval_qa_with_sources.py b/libs/langchain/tests/integration_tests/chains/test_retrieval_qa_with_sources.py
index 70ee98513ea..7ace5730ad5 100644
--- a/libs/langchain/tests/integration_tests/chains/test_retrieval_qa_with_sources.py
+++ b/libs/langchain/tests/integration_tests/chains/test_retrieval_qa_with_sources.py
@@ -19,10 +19,20 @@ def test_retrieval_qa_with_sources_chain_saving_loading(tmp_path: str) -> None:
     qa = RetrievalQAWithSourcesChain.from_llm(
         llm=OpenAI(), retriever=docsearch.as_retriever()
     )
-    qa("What did the president say about Ketanji Brown Jackson?")
-
-    file_path = tmp_path + "/RetrievalQAWithSourcesChain.yaml"
+    result = qa("What did the president say about Ketanji Brown Jackson?")
+    assert "question" in result.keys()
+    assert "answer" in result.keys()
+    assert "sources" in result.keys()
+    file_path = str(tmp_path) + "/RetrievalQAWithSourcesChain.yaml"
     qa.save(file_path=file_path)
     qa_loaded = load_chain(file_path, retriever=docsearch.as_retriever())
 
     assert qa_loaded == qa
+
+    qa2 = RetrievalQAWithSourcesChain.from_chain_type(
+        llm=OpenAI(), retriever=docsearch.as_retriever(), chain_type="stuff"
+    )
+    result2 = qa2("What did the president say about Ketanji Brown Jackson?")
+    assert "question" in result2.keys()
+    assert "answer" in result2.keys()
+    assert "sources" in result2.keys()