message: fix yarn test for bashy things v2
diff: "stylelint": "stylelint 'res/css/**/*.scss'",
  "clean": "rimraf lib",
  "prepare": "yarn clean && yarn build && git rev-parse HEAD > git-revision.txt",
  - "test": "jest --testMatch '**/*-test.js'",
  + "test": "jest",
  "e2etests": "./test/end-to-end-tests/run.sh --riot-url http://localhost:8080"
  },
  "dependencies": {
  "webpack-cli": "^3.1.1"
  },
  "jest": {
  + "testMatch": ["**/*-test.js"],
  "setupTestFrameworkScriptFile": "<rootDir>/test/setupTests.js",
  "moduleNameMapper": {
  "\\.(gif|png|svg|ttf|woff2)$": "<rootDir>/__mocks__/imageMock.js"
  