update test for autoVSindex with azure

tests/test_auto_vector_store_index.py

@@ -1,14 +1,37 @@
-from llama_index import Document, VectorStoreIndex
+import os
+
+from llama_index import Document, ServiceContext, VectorStoreIndex
+from llama_index.embeddings import AzureOpenAIEmbedding
+from llama_index.llms import AzureOpenAI
 from llama_index.query_engine import BaseQueryEngine
 
 from autollm.auto.vector_store_index import AutoVectorStoreIndex
 
+# set the environment variables
+azure_api_key = os.environ.get("AZURE_API_KEY")
+azure_endpoint = os.environ.get("AZURE_API_BASE")
+azure_api_version = os.environ.get("AZURE_API_VERSION")
+
 
 def test_auto_vector_store():
     documents = [Document.example()]
-
+    llm = AzureOpenAI(
+        engine="gpt-35-turbo-1106",
+        model="gpt-35-turbo-16k",
+        api_key=azure_api_key,
+        azure_endpoint=azure_endpoint,
+        api_version=azure_api_version,
+    )
+    embed_model = AzureOpenAIEmbedding(
+        model="text-embedding-ada-002",
+        deployment_name="text-embedding-ada-002",
+        api_key=azure_api_key,
+        azure_endpoint=azure_endpoint,
+        api_version=azure_api_version,
+    )
+    service_context = ServiceContext.from_defaults(llm=llm, embed_model=embed_model)
     vector_store_index = AutoVectorStoreIndex.from_defaults(
-        vector_store_type="SimpleVectorStore", documents=documents)
+        vector_store_type="SimpleVectorStore", documents=documents, service_context=service_context)
 
     # Check if the vector_store_index is an instance of VectorStoreIndex
     assert isinstance(vector_store_index, VectorStoreIndex)