Revert incorrect commenting out of test

layout/reftests/bugs/reftest.list

@@ -492,8 +492,7 @@ random-if(MOZ_WIDGET_TOOLKIT=="gtk2") == 368020-5.html 368020-5-ref.html # bug 3
 fails == 374927-1.html 374927-1-ref.html # Was broken by patch for bug 368600; fails until bug 400776 is fixed
 == 375716-1.html 375716-1-ref.html
 == 375827-1.html 375827-1-ref.html
-# see bug 427480 -- this test is causing random crashes due to a BadMatch error
-#== 376375-1.html 376375-1-ref.html
+== 376375-1.html 376375-1-ref.html
 == 376484-1.html 376484-1-ref.html
 == 376532-1.html 376532-1-ref.html
 != 376532-2.html 376532-2-ref.html