jest.config.js

const { defaults: tsjPreset } = require("ts-jest/jest-preset")

module.exports = {
    ...tsjPreset,
    preset: "jest-expo",
    globals: {
        "ts-jest": {
            babelConfig: true,
        }
    },
    transformIgnorePatterns: [
    "<rootDir>/node_modules/(?!((jest-)?react-native|@react-native(-community)?)|expo(nent)?|@expo(nent)?/.*|@expo-google-fonts/.*|react-navigation|@react-navigation/.*|@unimodules/.*|unimodules|sentry-expo|native-base|react-native-svg)"],
    testPathIgnorePatterns: ["<rootDir/node_modules/", "@react-native", "/e2e"],
    setupFilesAfterEnv: ["@testing-library/jest-native/extend-expect"]

     // the following config settings cause problemsn for this configuration:
    // testEnvironment: "jsdom",
    // setupFiles: ["<rootDir>/test/setup.ts"],
}