Add placeholder for unittest

arviz/tests/base_tests/test_data.py

@@ -1482,6 +1482,15 @@ def test_empty_inference_data_object(self):
         assert os.path.exists(filepath)
         os.remove(filepath)
         assert not os.path.exists(filepath)
+
+    def test_to_netcdf_kwargs(self):
+        """Tests to verify that passing kwargs to `InferenceData.to_netcdf()`
+        works as intended"""
+        pass # TODO
+        # 1) define an InferenceData object (e.g. from file)
+        # 2) define different sets of `**kwargs` to pass
+        # 3) use inference_data.to_netcdf(filepath,**kwargs)
+        # 4) test these make it through to `data.to_netcdf()` as intended - TODO how?
 
 
 class TestJSON: