TL;DR When testing Redux, here are a few guidelines: Vanilla Redux The smallest standalone unit in Redux is the entire state slice. Unit tests should interact with it as a whole. There is no point in testing reducers, action creators and selectors ...

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Slim
Senior Software Engineer
Henrique Barcelos Very interesting and amazing article, you can update it using
createAsyncThunkin v1.3.2 for async actions. But I have a simple question here: why are you adding the error as selector in the code and is it useful to do that?