anchor.diff:    Filename = string:concat(DataDir, "aclfile_unexistent"),
     file_not_found = aclstore:load_permissions_file(Filename).
   
  -%% User not found in mnesia
  -
  -%% Permissions not in [read, readwrite, write]
  -
  -%% Remove unexistent user
  -
  
positive.code:          init_per_testcase/2, end_per_testcase/2]).
  -export([add_permission/1,permissions_by_user/1,remove_permissions/1,load_permissions_file/1,
    install_permissions_file/1, syntax_error_unexistent_command/1, syntax_error_parameter_number/1,
    syntax_error_with_file/2, missing_permissions_file/1, syntax_error_wrong_permissions/1]).
  
  all() -> [add_permission, permissions_by_user, remove_permissions, load_permissions_file, install_permissions_file,
            syntax_error_unexistent_command, syntax_error_parameter_number, missing_permissions_file,
            syntax_error_wrong_permissions].
  
  init_per_suite(Config) ->
    Priv = ?config(priv_dir, Config),
  
negative.code: permissions_by_user(_Config) ->
    [{"root/messages",read}] = aclstore:get_permissions("johndoe").
  
  permissions_for_unexistent_user(_Config) ->
    [] = aclstore:get_permissions("johnunknown").
  
  remove_permissions(_Config) ->
    ok = aclstore:remove_permissions("johndoe"),
    [] = aclstore:get_permissions("johndoe").
  
  remove_unknownuser(_Config) ->
    ok = aclstore:remove_permissions("unknownuser").
  
  load_permissions_file(Config) ->
    DataDir = ?config(data_dir, Config),
  