message: adds jest cli option
diff: "start-graphiql": "yarn workspace graphiql dev",
  "start-monaco": "yarn workspace example-monaco-graphql-webpack start",
  "t": "yarn run testonly",
  - "test": "yarn jest",
  + "test": "yarn jest --noStackTrace",
  "test:coverage": "yarn jest --coverage",
  "test:watch": "yarn jest --watch",
  "testonly": "jest && yarn workspace codemirror-graphql run test",
  