update TODO

Author: arw2019

pandas/io/pytables.py

@@ -2961,7 +2961,7 @@ def write_array_empty(self, key: str, value: ArrayLike):
         node._v_attrs.shape = value.shape
 
     def write_array(self, key: str, obj, items: Optional[Index] = None):
-        # TODO: we only have one test that gets here, the only EA
+        # TODO: we only have a few tests that get here, the only EA
         #  that gets passed is DatetimeArray, and we never have
         #  both self._filters and EA