react-native-dynamic-search-bar | Medium Article https | iOS library

There is a problem with your code:

Once you search, you update your main data list, and thus, when you research again, you search on the filtered list. If you delete your search characters you cannot go back to all results.

To avoid this, I recommend that either you add a new sub-state for filtered contract or that the filter is done at your component level:

The problem is that jest.mock has to be outside of describe and it functions. You don't need to manually mock navigation object since you're mocking the withNavigation HOC function: