test_r_slope_aspect stderr

/usr/lib/python2.7/xml/etree/ElementTree.py:1627: DeprecationWarning: This method of XMLParser is deprecated.  Define doctype() method on the TreeBuilder target.
  DeprecationWarning,
..F...
======================================================================
FAIL: test_limits_precent (__main__.TestSlopeAspect)
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Traceback (most recent call last):
  File "raster/r.slope.aspect/testsuite/test_r_slope_aspect.py", line 38, in test_limits_precent
    msg="Slope in percent must be between 0 and 100")
  File "etc/python/grass/gunittest/case.py", line 474, in assertRasterMinMax
    self.fail(self._formatMessage(msg, stdmsg))
AssertionError: Slope in percent must be between 0 and 100 
The actual maximum (420.219) is greater than the reference one (100) for raster map limits_percent_slope (with minimum 0)

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Ran 6 tests in 119.846s
FAILED (failures=1)