new_contents: # -*- coding: utf-8 -*-
  from chanjo.load.utils import exon, _exon_kwargs
  
  
  DATA = {'chrom': 'chr1', 'chromStart': 100, 'chromEnd': 220, 'name': 'exon1',
          'score': 0, 'strand': '+', 'sampleName': 'sample1', 'readCount': 10,
          'meanCoverage': 6.341, 'thresholds': {10: 95.421, 20: 86.21, 100: 10.21}}
  
  
  def test_exon():
      exon_obj = exon(DATA)
      assert exon_obj.chromosome == 'chr1'
      assert exon_obj.exon_id == 'exon1'
  
  
  def test__exon_kwargs():
      kwargs = _exon_kwargs(DATA)
      assert kwargs['chromosome'] == 'chr1'
      assert kwargs['exon_id'] == 'exon1'
  
subject: add tests for load utils