message: Remove `jest` from "Insert Emoji" extension
diff: "scripts": {
  "build": "tsc",
  "clean": "shx rm -rf dist data",
  - "update-emoji-data": "node build_scripts/download_data.js",
  - "test": "yarn run build && jest"
  + "update-emoji-data": "node build_scripts/download_data.js"
  },
  "author": "",
  "license": "MIT",
  },
  "devDependencies": {
  "@extraterm/extraterm-extension-api": "0.6.0",
  - "@types/jest": "23.3.13",
  "download-cli": "^1.1.1",
  - "jest": "23.6.0",
  "shelljs": "0.8.3",
  - "ts-jest": "23.10.5",
  "typescript": "3.9.6"
  }
  }
  