fix: failing unit tests

jest/setup.js

@@ -25,3 +25,9 @@ jest.spyOn(console, 'debug').mockImplementation((...params) => {
     // eslint-disable-next-line no-console
     console.log('DEBUG', ...params);
 });
+
+// This mock is required for mocking file systems when running tests
+jest.mock('react-native-fs', () => ({
+    unlink: jest.fn(() => new Promise((res) => res())),
+    CachesDirectoryPath: jest.fn(),
+}));