mock link

squarenotsquare/jest.config.js

@@ -6,7 +6,8 @@ module.exports = {
     moduleDirectories: ['node_modules', 'src'],
     moduleNameMapper: {
         // '@react-native-firebase/messaging: '<rootDir>/__mock__/mockFirebase.js',
-        '\\.(jpg|ico|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$": "<rootDir>/__mock__/file.js'
+        '../services/Keystore': '<rootDir>/__mock__/mockKeyStore.js',
+        '\\.(jpg|ico|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$': '<rootDir>/__mock__/file.js'
     },
     transform: {
         '^.+\\.(ts|tsx)?$': 'ts-jest',