anchor.diff:        uri: <%%= ENV['MONGOHQ_URL'] %>
     options:
       allow_dynamic_fields: false
  -    identity_map_enabled: true
  +    identity_map_enabled: false
       include_root_in_json: false
       include_type_for_serialization: true
       preload_models: false
  
positive.code:       database: <%= dbname %>-test
    options:
      allow_dynamic_fields: false
      identity_map_enabled: true
      include_root_in_json: false
      include_type_for_serialization: true
      preload_models: false
  
negative.code:       database: <%= dbname %>-development
    options:
      allow_dynamic_fields: false
      identity_map_enabled: false
      include_root_in_json: false
      include_type_for_serialization: true
      preload_models: false
  