Merge pull request #8216 from albertopq/issue-842983

[Bug 842983] Facebook unit tests back to life(cherry picked from commit dd32a75aa766590d1f419f2ee2c773d77001f01f)

Conflicts:

	apps/communications/contacts/test/unit/mock_fb.js
(cherry picked from commit 4a6e3dee297aa9c8391e96484299c3843ae8c64b)