:l Test/Chapter1.hsに失敗する

[iciclize]

Test/Chapter1.hsがloadできません。stackを使っているからだと思うのですが、テストすることは可能ですか？

Test/Chapter1.hs:3:1: error:
    Failed to load interface for ‘Test.Util’
    It is not a module in the current program, or in any known package.

Test/Chapter1.hs:5:1: error:
    Failed to load interface for ‘Src.Chapter1’
    It is not a module in the current program, or in any known package.

Test/Chapter1.hs:6:1: error:
    Failed to load interface for ‘Answer.Chapter1’
    It is not a module in the current program, or in any known package.
Failed, modules loaded: none.