old_contents: # -*- coding: utf-8 -*-
  
  """
  test_create_template
  --------------------
  """
  
  
  import os
  import pytest
  import subprocess
  
  
  def run_tox(plugin):
      """Run the tox suite of the newly created plugin."""
      try:
          subprocess.check_call([
              'tox',
              plugin,
              '-c', os.path.join(plugin, 'tox.ini'),
              '-e', 'py'
          ])
      except subprocess.CalledProcessError as e:
          pytest.fail(e)
  
  
  def test_run_cookiecutter_and_plugin_tests(cookies):
      """Create a new plugin via cookiecutter and run its tests."""
      result = cookies.bake()
  
      assert result.project.basename == 'pytest-foobar'
      assert result.project.isdir()
  
      run_tox(str(result.project))
  
new_contents: # -*- coding: utf-8 -*-
  
  """
  test_create_template
  --------------------
  """
  
  
  import os
  import pytest
  import subprocess
  
  
  def run_tox(plugin):
      """Run the tox suite of the newly created plugin."""
      try:
          subprocess.check_call([
              'tox',
              plugin,
              '-c', os.path.join(plugin, 'tox.ini'),
              '-e', 'py'
          ])
      except subprocess.CalledProcessError as e:
          pytest.fail(e)
  
  
  def test_run_cookiecutter_and_plugin_tests(cookies):
      """Create a new plugin via cookiecutter and run its tests."""
      result = cookies.bake()
  
      assert result.exit_code == 0
      assert result.exception is None
      assert result.project.basename == 'pytest-foobar'
      assert result.project.isdir()
  
      run_tox(str(result.project))
  
subject: Extend test to check for the exit code and for an exception