Tests: add HTML report generation and a workaround to bad exception handling in sikuli.

In case of exception in python code, and since a thread is running
to observe stdout, sikuli was never terminated after an exception.
Unfortunately sys.exepthook doesn't work in that version of jython/sikuli.
Test are now written inside functions witch are passed to run_test to deal
with exception.

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from __future__ import absolute_import

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from etherlab.etherlab import *

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from util.BitmapLibrary import AddBitmapFolder

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import util.paths as paths

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AddBitmapFolder(os.path.join(paths.AbsDir(__file__), "images"))