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

@@ -34,12 +34,12 @@ dataset_info:
           1: 'OFF'
   config_name: offenseval2020-turkish
   splits:
-  - name: test
-    num_bytes: 481300
-    num_examples: 3528
   - name: train
     num_bytes: 4260505
     num_examples: 31756
+  - name: test
+    num_bytes: 481300
+    num_examples: 3528
   download_size: 2048258
   dataset_size: 4741805
 ---