code: def test_constant_with_input_relationship(self):
      const_expr = ConstantValueExpression(1)
      input_size = 10
      self.assertEqual(
          [1] * input_size,
          const_expr.evaluate(Batch(pd.DataFrame([0] * input_size)))
          .frames[0]
          .tolist(),
      )
  
imports: import unittest
  import pandas
  from evadb.expression.constant_value_expression import ConstantValueExpression
  from evadb.models.storage.batch import Batch
label_desc: Use image node_id 2 for calling the ConstantExpressionsTest obj's underlying member method code with example usage: obj.test_constant_with_input_relationship() without return types