http://build.webkit.org/results/SnowLeopard%20Intel%20Release%20(Tests)/r80391%20(26343)/results.html I am not sure when this first started. It should probably be added to the skipped list.
Added to the SL Skipped list in http://trac.webkit.org/changeset/80401
<rdar://problem/9091229>
The SL Test bots were green at r80427: http://build.webkit.org/builders/SnowLeopard%20Intel%20Release%20%28Tests%29/builds/26369 Removing the "MakingBotsRed" keyword.
This test is skipped with potential to be removed because it uses plugin: https://searchfox.org/wubkat/source/LayoutTests/TestExpectations#5446 <embed type="application/x-webkit-test-netscape"></embed>