Reorder split names

README.md

@@ -36,15 +36,15 @@ dataset_info:
     sequence: string
   config_name: plain_text
   splits:
-  - name: test
-    num_bytes: 637317
-    num_examples: 2201
   - name: train
     num_bytes: 1835549
     num_examples: 6414
   - name: validation
     num_bytes: 632992
     num_examples: 2183
+  - name: test
+    num_bytes: 637317
+    num_examples: 2201
   download_size: 1087729
   dataset_size: 3105858
 ---