Bug 675201 - Attempt to wait for focus in the test before issuing keyboard events; r=ehsan

layout/generic/test/test_bug632379.xul

@@ -198,8 +198,7 @@ function openSubmenu()
     synthesizeKey("5", {});
 }
 
-SimpleTest.waitForExplicitFinish();
+SimpleTest.waitForFocus(doTest);
-addLoadEvent(doTest);
 
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 </window>