Use queue if provided in kwargs

[garykrige]

Bugfix

Fix for a new Queue being instantiated regardless of whether a queue is passed in or not.

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[garykrige]

I signed it!

[googlebot]

CLAs look good, thanks!

[BradWhittington]

Makes sense.

[lukesneeringer]

Good catch @garykrige! Thanks!

[tseaver]

We really should add a test assertion that the passed-in queue is used.