old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  """
      Dummy conftest.py for my_project.
  
      If you don't know what this is for, just leave it empty.
      Read more about conftest.py under:
      https://pytest.org/latest/plugins.html
  """
  from __future__ import absolute_import, division, print_function
  
  import pytest
  
  
  def test_one():
      return True
  
  
  def test_two():
      return True
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  """
      Dummy conftest.py for my_project.
  
      If you don't know what this is for, just leave it empty.
      Read more about conftest.py under:
      https://pytest.org/latest/plugins.html
  """
  from __future__ import absolute_import, division, print_function
  
  import pytest
  import my_project
  
  
  def test_fib():
      assert my_project.fib(1) == 1
      
  
  def test_one():
      return True
  
  
  def test_two():
      return True
  
subject: Update test_conf.py