cubicweb-wsme #5292898 Running tests with py.test [validation pending]

The tests pass, but an error during the scanning occurs:

(cubicweb-wsme)cdevienne@needle:~/ws/cubicweb/cubicweb-wsme (hg:default:1bbb997) $ py.test test
Test session starts (platform: linux2, Python 2.7.6, pytest 2.6.4, pytest-sugar 0.3.6)
plugins: sugar, capturelog

――――――――――――――――――――――――――――――――――――――――――――――――――――― ERROR collecting test/test_wsme.py     ――――――――――――――――――――――――――――――――――――――――――――――――――――――
../../../.virtualenvs/cubicweb-wsme/lib/python2.7/site-packages/logilab/common/decorators.py:208: in __get__
    return self.get(cls)
../../../.virtualenvs/cubicweb-wsme/local/lib/python2.7/site-packages/cubicweb/devtools/testlib.py:496: in config
    assert not cls is CubicWebTC, "Don't use CubicWebTC directly to prevent database caching issue"
E   AssertionError: Don't use CubicWebTC directly to prevent database caching issue

   test/test_wsme.py ✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓✓                                                                        100% ▉▉▉▉▉▉▉▉▉▉▉

Results (27.89s):
   30 passed
prioritynormal
typebug
done in0.2.1
load left0.000
closed by<not specified>
patch[tests] Don't import CubicWebTC directly [applied]