Lightning von popov654

- Test state and behavior of you web apps
- Track network request attempts via XMLHttpRequest and fetch with the option to block actual requests
- Track modal dialogs (alert, confirm, promt)
- Add wait for arbitrary condition fulfillment operators (i.e. if some elements should appear on the page later)
- Test scripts continue to run no matter how many navigation events occur (clicking links, forms sending)
- Undo remote changes on the server using cleanup URLs (triggered after every finished test and are set for each test individually)
- Link test scripts to URLs making test entries - use a single test script for many URLs
- Save your tests locally for transfer and backup
- Group your tests into test suits for easier navigation and selective execution