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

@@ -41,12 +41,12 @@ dataset_info:
           11: B-pers
           12: B-pro
   splits:
-  - name: test
-    num_bytes: 1646481
-    num_examples: 2560
   - name: train
     num_bytes: 3362102
     num_examples: 5121
+  - name: test
+    num_bytes: 1646481
+    num_examples: 2560
   download_size: 1931170
   dataset_size: 5008583
 - config_name: fold2
@@ -71,12 +71,12 @@ dataset_info:
           11: B-pers
           12: B-pro
   splits:
-  - name: test
-    num_bytes: 1664022
-    num_examples: 2561
   - name: train
     num_bytes: 3344561
     num_examples: 5120
+  - name: test
+    num_bytes: 1664022
+    num_examples: 2561
   download_size: 1931170
   dataset_size: 5008583
 - config_name: fold3
@@ -101,12 +101,12 @@ dataset_info:
           11: B-pers
           12: B-pro
   splits:
-  - name: test
-    num_bytes: 1698092
-    num_examples: 2560
   - name: train
     num_bytes: 3310491
     num_examples: 5121
+  - name: test
+    num_bytes: 1698092
+    num_examples: 2560
   download_size: 1931170
   dataset_size: 5008583
 ---