jest.config.js

module.exports = {
      "moduleNameMapper": {
        "\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$": "<rootDir>/__mocks__/fileMock.js",
        "\\.(scss|sass|css)$": "identity-obj-proxy"
      }
    }