code: def setUp(self):
      super(PerformancePipelineTest, self).setUp()
      self.note_sequence = music_pb2.NoteSequence()
      self.note_sequence.ticks_per_quarter = 220
  
file_path: magenta/magenta/pipelines/performance_pipeline_test.py
imports: from absl.testing import absltest
  from magenta.pipelines import performance_pipeline
  from note_seq import sequences_lib
  from note_seq import testing_lib
  from note_seq.protobuf import music_pb2
label_desc: Use image node_id 1 for calling the PerformancePipelineTest obj's underlying member method code with example usage: obj.setUp() without return types