Reorder split names

README.md

@@ -30,12 +30,12 @@ dataset_info:
   - name: answer
     dtype: string
   splits:
-  - name: test
-    num_bytes: 15220
-    num_examples: 100
   - name: train
     num_bytes: 11022
     num_examples: 80
+  - name: test
+    num_bytes: 15220
+    num_examples: 100
   - name: validation
     num_bytes: 13109
     num_examples: 82