class_docstr: mock data class test for match task.
class_docstr_tok: ["mock","data","class","test","for","match","task","."]
code: def test_build(self):
      mock_text_match_data = MockTextMatchData("mock_match_data")
      mock_text_match_data.build()
      self.assertTrue(mock_text_match_data.is_ready())
  
imports: from absl import logging
  import delta.compat
  from delta.data.datasets.mock_text_match_data import MockTextMatchData
label_desc: Use image node_id 1 for calling the MockTextMatchDataTest obj's underlying member method code with example usage: obj.test_build() without return types