description: Better of two choices always selected
topology_description:
  type: Sharded
  servers:
    - address: a:27017
      avg_rtt_ms: 35
      type: Mongos
    - address: b:27017
      avg_rtt_ms: 35
      type: Mongos
mocked_topology_state:
  - address: a:27017
    operation_count: 0
  - address: b:27017
    operation_count: 5
iterations: 100
outcome:
  tolerance: 0.0
  expected_frequencies:
    a:27017: 1
    b:27017: 0