old_contents: import pytest
  from subprocess import check_output
  
  
  def test_vcf2tsv_long():
      out = check_output("python tb.py vcf2tsv long --print-header test.vcf.gz | head -n 20 | md5", shell = True).strip()
      print(out)
      assert out == "d010d3707c2a1d8ab3613d35d5facc96"
  
  def test_vcf2tsv_wide():
      out = check_output("python tb.py vcf2tsv wide --print-header test.vcf.gz | head -n 20 | md5", shell = True).strip()
      print(out)
      assert out == "99081d87fa3af617693daa8d9d46b82f"
  
new_contents: import pytest
  from subprocess import check_output
  
  
  def test_vcf2tsv_long():
      out = check_output("tb vcf2tsv long --print-header test.vcf.gz | head -n 20 | md5", shell = True).strip()
      print(out)
      assert out == "d010d3707c2a1d8ab3613d35d5facc96"
  
  def test_vcf2tsv_wide():
      out = check_output("tb vcf2tsv wide --print-header test.vcf.gz | head -n 20 | md5", shell = True).strip()
      print(out)
      assert out == "99081d87fa3af617693daa8d9d46b82f"
  
subject: update test