fix ct test for new command handling

src/rebar3.erl

@@ -141,7 +141,7 @@ run_aux(State, Args) ->
     {ok, Providers} = application:get_env(rebar, providers),
     State3 = rebar_state:create_logic_providers(Providers, State2),
     Task = rebar_state:get(State3, task, "help"),
-    rebar_core:process_command(rebar_state:command_args(State3, Args), ec_cnv:to_atom(Task)),
+    rebar_core:process_command(rebar_state:command_args(State3, Args), list_to_atom(Task)),
     ok.
 
 %%

test/rebar_compile_SUITE.erl

@@ -43,7 +43,7 @@ build_basic_app(Config) ->
 
     ConfigFile = filename:join([AppDir, "rebar.config"]),
     write_config(ConfigFile, []),
-    rebar3:run(rebar_state:new(State, [], AppDir), ["compile"]),
+    rebar3:run(rebar_state:new(State, [], AppDir), "compile"),
 
     %% Verify app was built
     [App] = rebar_app_discover:find_apps([AppDir]),