I can get it to fail the exact same way if i zoom out in the browser, anything below 100% zoom and it fails all tests except the 25 pixels one. Not sure how it would affect different browsers though, unless you have adjusted the zoom on all of them. It is hard to really tell, but in your image, looking at the fonts, it does look a bit like you are zoomed out.
I wonder if there are display related settings that can affect the test?
That’s interesting! I was using chrome and have it at 90%. I saw in a different thread that people were having success using Firefox so I used that browser and it passed. It probably was the zoom.
Using Chrome 75.0 on macOS, I ran into the zoom issue as well. If zoom was at anything below 100% or 110% it would not pass. Exactly 100% or 125% and larger would pass.