anchor.diff:                                  #atm_task_schema_result_mapper{
                                       result_name = <<"lambda2ResName">>,
                                       store_schema_id = <<"store2Id">>,
  -                                    dispatch_function = remove
  +                                    store_content_update_options = #atm_single_value_store_content_update_options{}
                                   }
                               ]
                           }
  
positive.code:                                 #atm_task_schema_result_mapper{
                                      result_name = <<"lambda3ResName">>,
                                      store_schema_id = <<"store3Id">>,
                                      dispatch_function = set
                                  }
                              ]
                          },
  
negative.code:                                 #atm_task_schema_result_mapper{
                                      result_name = <<"lambda1ResName">>,
                                      store_schema_id = <<"store1Id">>,
                                      store_content_update_options = #atm_list_store_content_update_options{
                                          function = append
                                      }
                                  }
                              ]
                          }
  