old_contents: from dallinger.config import get_config
  from dallinger.experiments import Experiment
  from dallinger.networks import Star
  
  config = get_config()
  
  
  class TestExperiment(Experiment):
  
      def __init__(self, session=None):
          super(TestExperiment, self).__init__(session)
          self.experiment_repeats = 1
          if session:
              self.setup()
  
      @property
      def public_properties(self):
          return {
              'exists': True,
              'quorum': 1,
          }
  
      def create_network(self):
          """Return a new network."""
          return Star(max_size=2)
  
  
  def extra_parameters():
      config.register('custom_parameter', int, [])
  
new_contents: from dallinger.config import get_config
  from dallinger.experiments import Experiment
  from dallinger.networks import Star
  
  config = get_config()
  
  
  class TestExperiment(Experiment):
  
      def __init__(self, session=None):
          super(TestExperiment, self).__init__(session)
          self.experiment_repeats = 1
          self.quorum = 1
          if session:
              self.setup()
  
      @property
      def public_properties(self):
          return {
              'exists': True,
          }
  
      def create_network(self):
          """Return a new network."""
          return Star(max_size=2)
  
  
  def extra_parameters():
      config.register('custom_parameter', int, [])
  
subject: Fix coverage