Update testb.py

testb.py

@@ -28,7 +28,19 @@ class TestB(datasets.GeneratorBasedBuilder):
         return datasets.DatasetInfo(
             description='desc'
         )
-         
+    def _split_generators(self, dl_manager):
+        dl_dir = dl_manager.download_and_extract(self.config.data_url) or ""
+        task_name = _get_task_name_from_data_url(self.config.data_url)
+        dl_dir = os.path.join(dl_dir, task_name)
+        return [
+            datasets.SplitGenerator(
+                name=datasets.Split.TRAIN,
+                gen_kwargs={
+                    "data_file": os.path.join(dl_dir, "test.json"),
+                    "split": datasets.Split.TRAIN,
+                },
+            )
+        ]
     def _generate_examples(self, data_file, split):
         with open(data_file, encoding="utf-8") as f:
             for line in f: