Sami Jaktholm f88f710018 Bug 1237492 - Hold a strong reference to the Worker used in webconsole tests. r=ejpbruel
If a reference is not kept, the Worker might be GCd before the test
compteles. If that happens, the test times out as it tries to detach
a worker that has already been destroyed.

The state object is kept around for the duration of the tests so
keeping a reference in the state object ensures the worker
lifetime matches that of the test.

MozReview-Commit-ID: 31F54vHlm3z

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extra : transplant_source : %C1%97%D86%09Bd%AB%E8%08%98%D4%29%25S%A3%B8%2C%8E%11
2016-07-17 10:10:08 +03:00
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