old_contents: import pytest
  from wikilink.wiki_link import WikiLink
  
  
  @pytest.fixture()
  def engine():
      return create_engine('postgresql://localhost/test_database')
  
  
  
  @pytest.fixture()
  def wikilin_db_connection(tmpdir):
  	WikiLink.setup_db()
  	yield
  
  
new_contents: import pytest
  from wikilink.wiki_link import WikiLink
  
  
  @pytest.fixture()
  def engine():
      return create_engine('postgresql://localhost/test_database')
  
subject: Remove db fixture