Testrunner prerequisites
========================

npm install puppeteer


testrunner.js
-------------
start from iwmlib directory with node testrunner

defined in package.json
"testrunner": "node bin/testrunner.js"

or in vscode, defined in launch.json like
{
    "type": "node",
    "request": "launch",
    "name": "testrunner",
    "program": "${workspaceFolder}\\bin\\testrunner.js"
}

iterates all doctest.html files that are listed in index.html
create a screenshot of all pages