old_contents: # (C) Datadog, Inc. 2019
  # All rights reserved
  # Licensed under a 3-clause BSD style license (see LICENSE)
  import os
  
  from datadog_checks.dev import get_docker_hostname
  
  HERE = os.path.dirname(os.path.abspath(__file__))
  COMPOSE_FILE = os.path.join(HERE, 'docker', 'docker-compose.yaml')
  HOST = get_docker_hostname()
  PORT = 3003
  
  INSTANCE = {
      'host': HOST,
      'port': PORT,
      'metrics': ['cluster_size', 'batch_error'],
      'namespace_metrics': [
          'objects',
          'hwm_breached',
          'client_write_error',
          'client_write_success',
          'objects',
          'tombstones',
          'stop_writes_count',
          'truncate_lut',
          'memory_data_bytes',
      ],
      'namespaces': {'test'},
      'tags': ['tag:value'],
  }
  
new_contents: # (C) Datadog, Inc. 2019
  # All rights reserved
  # Licensed under a 3-clause BSD style license (see LICENSE)
  import os
  
  from datadog_checks.dev import get_docker_hostname
  
  HERE = os.path.dirname(os.path.abspath(__file__))
  COMPOSE_FILE = os.path.join(HERE, 'docker', 'docker-compose.yaml')
  HOST = get_docker_hostname()
  PORT = 3003
  
  INSTANCE = {
      'host': HOST,
      'port': PORT,
      'metrics': ['cluster_size', 'batch_error'],
      'namespace_metrics': [
          'objects',
          'hwm_breached',
          'client_write_error',
          'client_write_success',
          'objects',
          'tombstones',
          'stop_writes_count',
          'truncate_lut',
          'memory_data_bytes',
      ],
      'namespaces': ['test'],
      'tags': ['tag:value'],
  }
  
subject: Fix E2E (#3168)