Fix broken test in `cwm` branch

[dadiorchen]

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in this PR, https://github.com/Greenstand/treetracker-web-map-client/pull/1668 The ci reported error: https://github.com/Greenstand/treetracker-web-map-client/actions/runs/5430146328?pr=1668

We need to fix them.

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[dadiorchen]

@RubenSmn I just open the CI for branches now, seems there are some broken test in cwm

[RubenSmn]

@dadiorchen are we using the .env.test env file when running the tests? The flag that we use to disable the feature of getting the theme from the backend is correct. Could it be that we're using the .env.development env file when running the tests?

[dadiorchen]

Yea, I think we are using .env.development, I don't remember anything about .env.test related.

About the error, the unit test problem is easy, just we need to fix something related to cwm code.

For the integration test, I hope you can run it locally on the cwm branch, if that works on your side, I can help to find out what' cause the problem in this CI

[dadiorchen]

We we finished this, then we can use the CI to protect the cwm branch, I think this is meaniful.