Bug 790463 - Disable test_incoming_already_connected.js due to crash, a=test-only, DONTBUILD(NPOTB)

dom/telephony/test/marionette/manifest.ini

@@ -21,7 +21,7 @@ qemu = true
 [test_incoming_hold_resume.js]
 # Bug 790463
 #[test_outgoing_hold_resume.js]
-[test_incoming_already_connected.js]
+#[test_incoming_already_connected.js]
 [test_incoming_answer_remote_hangup.js]
 [test_incoming_connecting_hangup.js]
 [test_incoming_connecting_remote_hangup.js]