[Buildbot] #3446: add tests configuration that uses persistent SQLite database

[Buildbot trac]

#3446: add tests configuration that uses persistent SQLite database
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Reporter:  rutsky     |       Owner:
    Type:  undecided  |      Status:  new
Priority:  major      |   Milestone:  0.9.+
 Version:  master     |  Resolution:
Keywords:             |
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Comment (by dustin):

 @rutsky has this landed?

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Ticket URL: <http://trac.buildbot.net/ticket/3446#comment:2>
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