Bug 1386410 - Skip browser_toolbox_custom_host.js for permafailing on uplift to Beta. r=bgrins, f=pbro

--HG--
extra : histedit_source : cff91060d995a81a32f0ac415532d5ce45f07105

devtools/client/framework/test/browser.ini

@@ -71,6 +71,7 @@ skip-if = debug # Bug 1282269
 [browser_target_remote.js]
 [browser_target_support.js]
 [browser_toolbox_custom_host.js]
+skip-if = true # Bug 1386410
 [browser_toolbox_dynamic_registration.js]
 [browser_toolbox_getpanelwhenready.js]
 [browser_toolbox_highlight.js]