Bug 685516 - Mark more tests as random; rs=khuey

gfx/tests/reftest/reftest.list

@@ -1,4 +1,4 @@
 # 468496-1 will also detect bugs in video drivers.
 # fails-if(/Mac\x20OS\x20X\x2010\.5/.test(http.oscpu)) == 468496-1.html 468496-1-ref.html # bug 486761, 660740
-== 611498-1.html 611498-ref.html
+random-if(bug685516) == 611498-1.html 611498-ref.html
 fails-if(http.platform=="X11") == 709477-1.html 709477-1-ref.html

image/test/reftest/jpeg/reftest.list

@@ -47,4 +47,4 @@ random-if(bug685516) == jpg-srgb-icc.jpg jpg-srgb-icc.png
 # won't be in the text of the contents themselves. --$(boundary)\r\n means
 # "Here is the beginning of a boundary," and --$(boundary)-- means "All done
 # sending you parts.")
-HTTP == webcam-simulacrum.mjpg blue.jpg
+random-if(bug685516) HTTP == webcam-simulacrum.mjpg blue.jpg