Update nmdc_schema/migrators/migrator_from_11_10_0_to_11_11_0.py

Co-authored-by: eecavanna <134325062+eecavanna@users.noreply.github.com>

Author: aclum

nmdc_schema/migrators/migrator_from_11_10_0_to_11_11_0.py

@@ -20,7 +20,7 @@ def confirm_permissible_values_are_absent(self, data_object: dict) -> dict:
 
         >>> m = Migrator()
  
-       # Test: data_object_type of "Metagenome Bins"
+        # Test: data_object_type of "Metagenome Bins"
         >>> m.confirm_permissible_values_are_absent({"id": 1, "type": "nmdc:DataObject", "data_object_type": "Metagenome Bins"})
         Traceback (most recent call last):
             ...