code: def test_invalid_X(self):
      X = self.X1 - 2
      with self.assertRaises(ValueError):
          MinorityCoalescer().fit_transform(X)
  
file_path: auto-sklearn/test/test_pipeline/implementations/test_MinorityCoalescer.py
imports: import numpy
  import scipy.sparse
  from autosklearn.pipeline.implementations.MinorityCoalescer import MinorityCoalescer
  import unittest
label_desc: Use image node_id 6 for calling the MinorityCoalescerTest obj's underlying member method code with example usage: obj.test_invalid_X() without return types