anchor.diff:  
       %% Restore code path
       true = code:set_path(CodePath),
  -    {ok, Config}.
  +    ok.
   
   clean(_Config, _File) ->
       rebar_file_utils:rm_rf(?EUNIT_DIR).
  
positive.code:     %% Compile erlang code to ?EUNIT_DIR, using a tweaked config
      %% with appropriate defines for eunit, and include all the test modules
      %% as well.
      Config = eunit_config(Config0),
      rebar_erlc_compiler:doterl_compile(Config, ?EUNIT_DIR, TestErls),
  
      %% Build a list of all the .beams in ?EUNIT_DIR -- use this for
      %% cover and eunit testing. Normally you can just tell cover
  
negative.code: %% Public API
  %% ===================================================================
  
  eunit(Config, _AppFile) ->
      %% Make sure ?EUNIT_DIR/ and ebin/ directory exists (append dummy module)
      ok = filelib:ensure_dir(filename:join(eunit_dir(), "dummy")),
      ok = filelib:ensure_dir(filename:join(ebin_dir(), "dummy")),
  