old_contents: import shutil
  import pytest
  
  import hug
  
  from overtime_calculator.src import api
  from overtime_calculator.src.auth import get_user_folder
  
  
  def test_register():
      user_name = 'test1'
      response = hug.test.post(
          api,
          '/register',
          {'username': user_name, 'password': user_name},
      )
      assert response.data == {'status': 'ok'}
  
  def test_signin():
      response = hug.test.post(api, '/signin', {'username': 'test_1', 'password': 'test_1'})
      print(response.data)
      assert response.data['token'] is not None
  
  def teardown_module():
      user_folder = get_user_folder('test1')
      shutil.rmtree(str(user_folder), ignore_errors=False)
  
  
new_contents: import shutil
  import pytest
  
  import hug
  
  from overtime_calculator.src import api
  from overtime_calculator.src.auth import get_user_folder
  
  EXISTING_USER = 'test1'
  UNREGISTERED_USER = 'test2'
  
  
  def test_registration_of_new_user():
      response = hug.test.post(
          api,
          '/register',
          {'username': EXISTING_USER, 'password': EXISTING_USER},
      )
      print(response.data)    # Will only show if test fails and is run with --verbose (-v)
      assert response.data == {'status': 'ok'}
  
  
  def test_second_registration_of_registered_user():
      response = hug.test.post(
          api,
          '/register',
          {'username': EXISTING_USER, 'password': EXISTING_USER},
      )
      print(response.data)    # Will only show if test fails and is run with --verbose (-v)
      assert response.data == dict(error='username already in use')
  
  
  def test_sign_in_of_existing_user():
      response = hug.test.post(
          api,
          '/signin',
          {'username': EXISTING_USER, 'password': EXISTING_USER}
      )
      print(response.data)    # Will only show if test fails and is run with --verbose (-v)
      assert 'token' in response.data and response.data['token']
  
  
  def teardown_module():
      user_folder = get_user_folder(EXISTING_USER)
      shutil.rmtree(str(user_folder), ignore_errors=False)
  
  
subject: Add test for already registered user