old_contents: from biokit.converters.convbase import ConvBase
  from biokit import biokit_data
  
  
  
  
  def test_convbase():
      infile = biokit_data("converters/measles.fa")
      try:
          cb = ConvBase(infile, infile)
          assert False
      except ValueError:
          assert True
      except:
          assert False
  
new_contents: from biokit.converters.convbase import ConvBase
  from biokit import biokit_data
  from easydev import TempFile
  
  
  
  def test_convbase():
      infile = biokit_data("converters/measles.fa")
      try:
          cb = ConvBase(infile, infile)
          assert False
      except ValueError:
          assert True
      except:
          assert False
  
      with TempFile() as outfile:
          cb = ConvBase(infile, outfile.name)
          cb.set_logger_level("DEBUG")
          try:
              cb.convert()
              assert False
          except NotImplementedError:
              assert True
  
  
      with TempFile() as outfile:
          try:
              cb = ConvBase("dummy", outfile.name)
              assert False
          except IOError:
              assert True
          except:
              assert False
              
  
subject: update tests