Reorder split names

Reorder split names in the YAML metadata to be aligned with the order in the loading script.
See: https://github.com/huggingface/datasets/issues/5258

README.md

@@ -37,12 +37,12 @@ dataset_info:
   - name: turns
     sequence: string
   splits:
-  - name: test
-    num_bytes: 1284287
-    num_examples: 2319
   - name: train
     num_bytes: 19999218
     num_examples: 37884
+  - name: test
+    num_bytes: 1284287
+    num_examples: 2319
   download_size: 8629863
   dataset_size: 21283505
 - config_name: tasks
@@ -60,12 +60,12 @@ dataset_info:
   - name: user_role
     dtype: string
   splits:
-  - name: test
-    num_bytes: 4351
-    num_examples: 14
   - name: train
     num_bytes: 73768
     num_examples: 227
+  - name: test
+    num_bytes: 4351
+    num_examples: 14
   download_size: 8629863
   dataset_size: 78119
 ---