jest.config.js

module.exports = {
  // The bail config option can be used here to have Jest stop running tests after
  // the first failure.
  bail: false,

  // Indicates whether each individual test should be reported during the run.
  verbose: false,

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

  // The directory where Jest should output its coverage files.
  coverageDirectory: "./coverage/",

  // If the test path matches any of the patterns, it will be skipped.
  testPathIgnorePatterns: ["<rootDir>/node_modules/"],

  // If the file path matches any of the patterns, coverage information will be skipped.
  coveragePathIgnorePatterns: ["<rootDir>/node_modules/"],

  // The pattern Jest uses to detect test files.
  testRegex: "(/__tests__/.*|(\\.|/)(test|spec))\\.jsx?$",

  // This option sets the URL for the jsdom environment.
  // It is reflected in properties such as location.href.
  // @see: https://github.com/facebook/jest/issues/6769
  testURL: "http://localhost/"
};