[Buildbot] #2197: Add tests for web change_hooks.

[Buildbot trac]

#2197: Add tests for web change_hooks.
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Reporter:  tom.prince                |       Owner:
    Type:  task                      |      Status:  new
Priority:  minor                     |   Milestone:  0.9.+
 Version:  0.8.5                     |  Resolution:
Keywords:  web, sprint, tests, hook  |
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Changes (by tardyp):

 * type:  defect => task


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Ticket URL: <http://trac.buildbot.net/ticket/2197#comment:4>
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Buildbot: build/test automation