r.slope.aspect: test is guaranteed to work only for the NC sample data

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@68557 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.slope.aspect/testsuite/test_r_slope_aspect.py

@@ -30,6 +30,7 @@ class TestSlopeAspect(TestCase):
                                 msg="Aspect in degrees must be between 0 and 360")
 
     def test_limits_precent(self):
+        """Assumes NC elevation and allows slope up to 100% (45deg)"""
         slope = 'limits_percent_slope'
         aspect = 'limits_percent_aspect'
         self.assertModule('r.slope.aspect', elevation='elevation',