code: def test_main_pipeline_fraczero_high():
      test_main_pipeline(n=1000, frac_zero_noise_rates=0.75)
  
imports: import numpy
  from cleanlab.benchmarking import noise_generation
  import pytest
label_desc: Use image node_id 2 for calling a global function with example usage: test_main_pipeline_fraczero_high() without return types