Executed SpatialRefSysTest only with spatial backend

             },

            )

HAS_SPATIALREFSYS = True

if oracle:

    from django.contrib.gis.db.backends.oracle.models import SpatialRefSys

elif postgis:

    from django.contrib.gis.db.backends.postgis.models import SpatialRefSys

elif spatialite:

    from django.contrib.gis.db.backends.spatialite.models import SpatialRefSys

else:

    HAS_SPATIALREFSYS = False

@unittest.skipUnless(HAS_GDAL, "SpatialRefSysTest needs gdal support")

@unittest.skipUnless(HAS_GDAL and HAS_SPATIALREFSYS,

    "SpatialRefSysTest needs gdal support and a spatial database")

class SpatialRefSysTest(unittest.TestCase):

    @no_mysql