Bug 1432358: Disable test_ext_contentscript_triggeringPrincipal on win debug for timeout failures. r=aryx

toolkit/components/extensions/test/xpcshell/xpcshell-content.ini

@@ -5,6 +5,7 @@ skip-if = os == "android" || (os == "win" && debug) || (os == "linux")
 [test_ext_contentscript_scriptCreated.js]
 skip-if = debug # Bug 1407501
 [test_ext_contentscript_triggeringPrincipal.js]
+skip-if = (os == "win" && debug) # Bug 1438796
 skip-if = os == "android" && debug
 [test_ext_contentscript_xrays.js]
 [test_ext_contentScripts_register.js]