Skip MobileProvidersTest::testProviderFromMccMnc()

Skip MobileProvidersTest::testProviderFromMccMnc()

Bug: https://bugs.kde.org/show_bug.cgi?id=506217
Bug-Debian: https://bugs.debian.org/1108424
Bug-Debian: https://bugs.debian.org/1121042
Forwarded: not-needed
Last-Update: 2025-11-25

This test relies on mobile-broadband-provider-info version 20240407, and newer
versions add more data that make the test fail.

This is discussed upstream, potentially vendoring a static set for the tests
(see https://invent.kde.org/plasma/plasma-nm/-/merge_requests/452).

Gbp-Pq: Name tests-skip-testProviderFromMccMnc.diff