new_contents: import os
  import pytest
  
  from raiden.tests.utils.smoketest import (
      load_smoketest_config,
      start_ethereum
  )
  
  
  @pytest.fixture(scope='session')
  def blockchain_provider():
      print("fixture init")
      smoketest_config = load_smoketest_config()
      ethereum, ethereum_config = start_ethereum(smoketest_config['genesis'])
      discovery_contract_address = smoketest_config['contracts']['discovery_address']
      registry_contract_address = smoketest_config['contracts']['registry_address']
      eth_rpc_endpoint = 'http://127.0.0.1:{}'.format(ethereum_config['rpc'])
      keystore_path = ethereum_config['keystore']
      datadir_path = os.path.split(keystore_path)[0]
      network_id = '627'
      password_file_path = os.path.join(keystore_path, 'password')
      with open(password_file_path, 'w') as handler:
          handler.write('password')
      return {'ethereum': ethereum,
              'ethereum_config': ethereum_config,
              'discovery_contract_address': discovery_contract_address,
              'registry_contract_address': registry_contract_address,
              'eth_rpc_endpoint': eth_rpc_endpoint,
              'keystore_path': keystore_path,
              'datadir_path': datadir_path,
              'password_file_path': password_file_path,
              'network_id': network_id}
  
subject: Add CLI tests session scoped fixture.