update test cases

Author: Priyanka-Microsoft

code/tests/functional/tests/functions/advanced_image_processing/test_advanced_image_processing.py

@@ -198,10 +198,9 @@ def test_image_passed_to_llm_to_generate_caption(
         ),
     )[0]
 
-    # The URL should be a direct URL (not base64) for http/https URLs to save tokens
+    # The URL should be converted to base64 data URL
     image_url = request.get_json()["messages"][1]["content"][1]["image_url"]["url"]
-    expected_url_prefix = f"{app_config.get('AZURE_STORAGE_ACCOUNT_ENDPOINT')}{app_config.get_from_json('AZURE_BLOB_STORAGE_INFO','containerName')}/{FILE_NAME}"
-    assert image_url.startswith(expected_url_prefix), f"Expected direct URL starting with {expected_url_prefix}, got {image_url[:100]}"
+    assert image_url.startswith("data:image/"), f"Expected base64 data URL, got {image_url[:100]}"
 
 
 def test_embeddings_generated_for_caption(

code/tests/utilities/helpers/test_push_embedder.py

@@ -229,8 +229,9 @@ def test_embed_file_advanced_image_processing_uses_vision_model_for_captioning(
     assert messages[1]["content"][0]["type"] == "text"
     assert "Describe this image in detail" in messages[1]["content"][0]["text"]
     assert messages[1]["content"][1]["type"] == "image_url"
-    # Direct URL should be used (not base64) for http/https URLs to save tokens
-    assert messages[1]["content"][1]["image_url"]["url"] == source_url
+    # Image should be converted to base64 data URL
+    image_url = messages[1]["content"][1]["image_url"]["url"]
+    assert image_url.startswith("data:image/"), f"Expected base64 data URL, got {image_url[:100]}"
 
 
 def test_embed_file_advanced_image_processing_stores_embeddings_in_search_index(