Fix image import mocking

jest.config.js

@@ -1,6 +1,9 @@
 module.exports = {
   preset: '@testing-library/react-native',
   moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json'],
+  moduleNameMapper: {
+    '\\.(png)$': require.resolve('./test/file-mock.js'),
+  },
   setupFilesAfterEnv: ['./test/jest-setup.js'],
   transformIgnorePatterns: [
     'node_modules/(?!((jest-)?react-native(-.*)?|@react-native(-community)?)/)',