TEST: add multi3DToDEMfilter test with output which contains NoData values.
TEST: add multi3DToDEMfilter test with output which contains NoData values.

orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB