//in LanguageTranslationHelpersV2
    const deserialize = curry((key, data) => ({
      //some data
    }))

    //in the test

    //sinon works with curry function
    sinon
      .stub(LanguageTranslationHelpersV2, 'deserialize', () => curry(() => ({test: true})))

    //tried to rewrite it with td, didn't work.
    //error: undefined is not an object (evaluating 'fn(a, _b)')
    td.replace(LanguageTranslationHelpersV2, 'deserialize')
    td.when(LanguageTranslationHelpersV2.deserialize(td.matchers.anything(), td.matchers.anything()))
      .thenDo(() => curry(() => ({test: true})))