Examine source code of Fast-Test Helper

{
  "name": "Fast-Test Helper",
  "description": "This extension is for Kelly Group engineers and inserts buttons for OGEA and SOGEA tests as well as buttons to apply CPI tones.",
  "version": "1.0.4",
  "manifest_version": 2,
  "content_scripts": [
    {
      "js": [
        "fast-test-helper.js"
      ],
      "matches": [
        "https://webserv.kelly.co.uk:8084/Home/Details/*"
      ]
    }
  ],
  "icons": {
    "16": "ico16x16.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9465834e-c331-488c-9549-b550f6e2f5c4}"
    }
  }
}