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

@@ -87,15 +87,15 @@ dataset_info:
           24: I-PERpart
   config_name: germeval_14
   splits:
-  - name: test
-    num_bytes: 2943201
-    num_examples: 5100
   - name: train
     num_bytes: 13816714
     num_examples: 24000
   - name: validation
     num_bytes: 1266974
     num_examples: 2200
+  - name: test
+    num_bytes: 2943201
+    num_examples: 5100
   download_size: 10288972
   dataset_size: 18026889
 ---