The test results you have selected are very old and may not represent the current state of Wine.
Selected Test Results (selected in 'Test Results' table below)
Everything works. No problems.
What does not
Nothing does not work.
What was not tested
Nothing. No problems seen.
I saw no problems with firefox except for the question which pops up everytime it starts as to whether to make it the default browser. Adobe Flash Player does not install at all however that may be a problem with Flash.