old_contents: import pytest
  
  from siteonlinechecker import config
  
  def test_load():
      c = config.Config()
      c.load()
      assert c != None
  
new_contents: import pytest
  
  from siteonlinechecker import loader
  
  def test_config_loader():
      c = loader.Config()
      c.load()
      assert c != None
  
subject: fix tests