old_contents: from contextlib import contextmanager
  from datetime import timedelta
  from django.utils import timezone
  from freezegun import freeze_time
  
  
  @contextmanager
  def active_phase(module, phase_type):
      now = timezone.now()
      phase = module.phase_set.create(
          start_date=now,
          end_date=now + timedelta(days=1),
          name='TEST PHASE',
          description='TEST DESCRIPTION',
          type=phase_type().identifier,
          weight=0,
      )
  
      with freeze_time(phase.start_date):
          yield
  
      phase.delete()
  
new_contents: from contextlib import contextmanager
  from datetime import timedelta
  from django.utils import timezone
  from freezegun import freeze_time
  import re
  
  
  @contextmanager
  def active_phase(module, phase_type):
      now = timezone.now()
      phase = module.phase_set.create(
          start_date=now,
          end_date=now + timedelta(days=1),
          name='TEST PHASE',
          description='TEST DESCRIPTION',
          type=phase_type().identifier,
          weight=0,
      )
  
      with freeze_time(phase.start_date):
          yield
  
      phase.delete()
  
  
  class pytest_regex:
      """Assert that a given string meets some expectations."""
  
      def __init__(self, pattern, flags=0):
          self._regex = re.compile(pattern, flags)
  
      def __eq__(self, actual):
          return bool(self._regex.match(actual))
  
      def __repr__(self):
          return self._regex.pattern
  
subject: Add regex helper