Don't run this test on Linux for now as its causing problems in subsequent tests

layout/generic/test/test_bug392746.html

@@ -68,6 +68,11 @@ function ctrlselect(aX,aY, aX2, aY2) {
 }
 
   window.onload=function() {
+  	// XXX: This test causes subsequent tests to fail on Linux,
+  	// so disable on Linux for now.
+	if (navigator.platform.indexOf("Linux") >= 0)
+  	  return;
+
     SimpleTest.waitForExplicitFinish();
     setTimeout(test, 0);
   };