
- instances: ['mock_instance_1', 'mock_instance_2']
  exception_raised: False
  expected_result: ['mock_instance_1', 'mock_instance_2']

- instances:
  exception_raised: True
  expected_result:

- instances:
    mock_instance_1: 'mock_value_1'
    mock_instance_2: 'mock_value_2'
  exception_raised: True
  expected_result:

- instances: ['mock_instance_1', 'mock_instance_2', 'mock_instance_2']
  exception_raised: True
  expected_result: 