'Disable' Music store Search
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Disabling the music store scope should not show any remote fetched result.

Setup:
Internet connectivity.

Actions:
1. Disable the online/commercial search in gnome-control-center or directly in gsettings
(com.canonical.Unity.Lenses "remote-content-search" to none)
2 Perfom a search in the music lens

Expected Results:
No "More suggestions" category should appear.

