def METHOD_NAME(self):
    """Test GeoTIFF validator
    """
    geotiff_input = get_input('geotiff/dem.tiff', None,
                              FORMATS.GEOTIFF.mime_type)
    self.assertTrue(validategeotiff(geotiff_input, MODE.NONE), 'NONE validation')
    self.assertTrue(validategeotiff(geotiff_input, MODE.SIMPLE), 'SIMPLE validation')
    self.assertTrue(validategeotiff(geotiff_input, MODE.STRICT), 'STRICT validation')
    geotiff_input.stream.close()