jest.config.js

module.exports = {
    // Automatically clear mock calls and instances between every test
    clearMocks: false,

    // Indicates whether the coverage information should be collected while executing the test
    collectCoverage: true,
    verbose: true,

    // The directory where Jest should output its coverage files
    coverageDirectory: 'build/coverage',

    // A set of global variables that need to be available in all test environments
    globals: {
        'ts-jest': {
            tsconfig: 'tsconfig.node.json',
        },
    },

    // An array of file extensions your modules use
    moduleFileExtensions: ['js', 'ts'],

    // A list of paths to directories that Jest should use to search for files in
    roots: ['test', 'test_integration'],

    // The glob patterns Jest uses to detect test files
    testMatch: ['**/*spec.ts'],

    // A map from regular expressions to paths to transformers
    transform: {
        '^.+\\.(ts|tsx)$': 'ts-jest',
    },

    moduleNameMapper: {
        axios: 'axios/dist/node/axios.cjs',
    },
};