Xfail region

As per bug comment https://bugzilla.mozilla.org/show_bug.cgi?id=941307#c1 we have to change our tests:

QA
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* On desktop: search for ":debug" (or hold the logo for 3 seconds) and a <select> menus for Region/Carrier appear.
* On mobile: hold the logo for 3 seconds and <select> menus for Region/Carrier appear.