App behaviours:

• launching without openxr runtime installed
• scrolling
• entering URLs
• going back and forwards in history
• homepage button
• badssl.com produces usable cert error page
• in-app devtools console is usable
• desktop keyboard events work
• on-screen keyboard events work
• fxr: protocol handler works

Demos:

• Fluid rendering on all demos
• Correct behaviour in all demos
• Demos animate in 2d window when appropriate

Immersive mode

• entering immersive mode works
• "blooming" to home screen and reactivating app re-enters immersive mode
• using palm gesture opens menu, cancel returns to uninterrupted immersive mode
• using palm gesture to exit immersive mode and reactivating app does not re-enter immersive mode
• entering immersive mode after using palm gesture works