anchor.diff:  init_per_suite(Config) ->
       ok = application:start(erlcass),
       Config.
  +
  +end_per_suite(_Config) ->
  +    application:stop(erlcass).
   
   set_cluster_options(_Config) ->
       ok = erlcass:set_cluster_options(
  
positive.code: drop_keyspace(_Config) ->
      {ok, []} = erlcass:execute(<<"DROP KEYSPACE erlang_driver_test">>,[]).
  
  end_per_suite(_Config) ->
      application:stop(erlcass).
  
negative.code:             async_insertion_roundtrip,
              emptiness,
              all_datatypes,
              collection_types,
              uuid_testing,
              get_metrics,
              drop_keyspace
  