code: def test_raise_exception_uknown_ndarray_type(self):
      self.assertRaises(
          ValueError, NdArrayType.to_numpy_type, ColumnType.TEXT
      )
  
imports: import unittest
  from decimal import Decimal
  import numpy
  from evadb.catalog.catalog_type import ColumnType, NdArrayType
label_desc: Use image node_id 2 for calling the ColumnTypeTests obj's underlying member method code with example usage: obj.test_raise_exception_uknown_ndarray_type() without return types