code: def test_modify_column_alias_should_raise_exception(self):
      batch = Batch(create_dataframe(5))
      dummy_alias = Alias("dummy", col_names=["t1"])
  
      with self.assertRaises(RuntimeError):
          batch.modify_column_alias(dummy_alias)
  
imports: import unittest
  from test.util import create_dataframe, create_dataframe_same
  import numpy
  import pandas
  from evadb.models.storage.batch import Batch
  from evadb.parser.alias import Alias
label_desc: Use image node_id 21 for calling the BatchTest obj's underlying member method code with example usage: obj.test_modify_column_alias_should_raise_exception() without return types