If you turn on resist fingerprinting then supposedly yes. It does pass the test with fingerprint.com then. Assuming you’re using a VPN of course.
I’ve been running with resist fingerprinting enabled for about a year and aside from the annoyance of having all your new windows spawn at a very small fixed size, the only major issue is knowing that for some websites to work you may have to enable HTML5 canvas for them. (It’s an icon that will appear in the location bar and you will know to look for if things that are supposed to be graphics in the web page are just a bunch of striped boxes instead.)
Can’t answer to Tor—haven’t even tried it in years, but I know on Windows, Firefox totally ignores the whole “reopen tabs on restart” pref if you close the last window via the red X in the corner. You have to use control-shift-Q or show menus and select File->Quit if you’re going to quit it in a way it understands as requesting you to reopen the tabs again next launch.