tests: Create a list of known unknown zones
tests: Create a list of known unknown zones

A few timezones, present in tzdata, don't have a correspondent "Windows
timezone". In runtime, we fallback and set the server version as 2007_SP1
in the request, which doesn't treat the transitions on the server side.
For tests purposes, this list of known unknown timezones is enough.

GNOME/evolution-ews,GNOME/evolution-ews