[3/N] CI refactor: move some manually triggered tests. (#13448)

examples/assets/.gitignore

@@ -0,0 +1 @@
+!example_image.png

examples/runtime/engine/offline_batch_inference_vlm.py

@@ -19,7 +19,7 @@ def main(
     conv = chat_templates[server_args.chat_template].copy()
     image_token = conv.image_token
 
-    image_url = "https://github.com/sgl-project/sglang/blob/main/test/lang/example_image.png?raw=true"
+    image_url = "https://github.com/sgl-project/sglang/blob/main/examples/assets/example_image.png?raw=true"
 
     prompt = f"What's in this image?\n{image_token}"
 

examples/runtime/multimodal/llava_onevision_server.py

@@ -98,7 +98,7 @@ def multi_image_stream_request_test(client):
                     {
                         "type": "image_url",
                         "image_url": {
-                            "url": "https://raw.githubusercontent.com/sgl-project/sglang/main/test/lang/example_image.png"
+                            "url": "https://raw.githubusercontent.com/sgl-project/sglang/main/examples/assets/example_image.png"
                         },
                         "modalities": "multi-images",
                     },