anchor.diff:       ),
   
       rebar_test_utils:run_and_check(
  -        Config, RConf, ["plugins", "upgrade"],
  +        Config, RConf, ["plugins", "upgrade", "--all"],
           {ok, [{app, Name, valid}, {file, PluginBeam}, {plugin, PkgName}]}
        ).
   
  
positive.code:         Config, RConf, ["plugins", "upgrade", PkgName],
          {ok, [{app, Name}, {plugin, PkgName, <<"0.1.3">>}]}
       ).
  
  sub_app_plugins(Config) ->
      AppDir = ?config(apps, Config),
  
negative.code:          list/1,
           upgrade/1,
           upgrade_project_plugin/1,
           upgrade_no_args/1,
           sub_app_plugins/1,
           sub_app_plugin_overrides/1,
           project_plugins/1,
  