[Merge] lp:~khurshid-alam/indicator-sound/lp-1737834 into lp:indicator-sound

[Marco Trevisan (Treviño)]

Review: Disapprove

This is properly fixed by https://code.launchpad.net/~3v1n0/indicator-sound/tests-environment-fixes/+merge/343741
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https://code.launchpad.net/~khurshid-alam/indicator-sound/lp-1737834/+merge/343023
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