update test payload and validate scenes in append

Author: Drew Kaul

nucleus/dataset.py

@@ -270,6 +270,9 @@ def append_scenes(
         asynchronous: Optional[bool] = False,
     ) -> Union[dict, AsyncJob]:
         """TODO: Add updated docstring here"""
+        for scene in scenes:
+            scene.validate()
+
         if asynchronous:
             check_all_scene_paths_remote(scenes)
             request_id = serialize_and_write_to_presigned_url(

tests/helpers.py

@@ -32,17 +32,21 @@
             "reference_id": "scene_1",
             "frames": [
                 {
-                    "lidar": {
-                        "url": TEST_POINTCLOUD_URLS[0],
-                        "type": "pointcloud",
-                        "reference_id": "lidar_frame_1",
-                        "metadata": {},
+                    "index": 0,
+                    "items": {
+                        "lidar": {
+                            "url": TEST_POINTCLOUD_URLS[0],
+                            "type": "pointcloud",
+                            "reference_id": "lidar_frame_1",
+                            "metadata": {},
+                        },
                     },
-                },
+                }
             ],
             "metadata": {},
         },
     ],
+    "update": False,
 }
 
 TEST_DATASET_ITEMS = [