Tests are broken with setup.py test

[JordanMilne]

They work fine with nosetests, need to look into this.

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ERROR: test_response_iter_lines_reentrant (test_advocate.RequestsTestCase)
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Traceback (most recent call last):
  File "/usr/lib/python2.7/functools.py", line 33, in update_wrapper
    setattr(wrapper, attr, getattr(wrapped, attr))
AttributeError: 'RequestsTestCase' object has no attribute '__name__'

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