def METHOD_NAME(self):
    # This setUp stands in for the cbs.py data loading script run for the
    # relevant datasets. Note that REQUIRED_DATASETS must match what's in
    # the CBS dataloader cbs.py.
    self.area_type_code_m = REQUIRED_DATASETS['CBS_MUNICIPAL_BORDERS_DATASET']
    self.area_type_code_w = REQUIRED_DATASETS['CBS_WIJK_DATASET']
    self.area_type_code_b = REQUIRED_DATASETS['CBS_BUURT_DATASET']
    self.area_type_m = AreaTypeFactory.create(code=self.area_type_code_m, name=self.area_type_code_m)
    self.area_type_w = AreaTypeFactory.create(code=self.area_type_code_w, name=self.area_type_code_w)
    self.area_type_b = AreaTypeFactory.create(code=self.area_type_code_b, name=self.area_type_code_b)
    min_lon, min_lat, max_lon, max_lat = BBOX
    extent_lon = max_lon - min_lon
    extent_lat = max_lat - min_lat
    amsterdam_geom = MultiPolygon([Polygon.from_bbox((min_lon, min_lat, max_lon, max_lat))])
    self.area_amsterdam = AreaFactory(
        name='Amsterdam', code='GM0363', _type=self.area_type_m, geometry=amsterdam_geom)
    # Area in fake Amsterdam:
    polygon_in = Polygon.from_bbox((
        min_lon + extent_lon * 0.25,
        min_lat + extent_lat * 0.25,
        min_lon + extent_lon * 0.75,
        min_lat + extent_lat * 0.75,
    ))
    # Area in fake Amsterdam:
    polygon_out = Polygon.from_bbox((
        min_lon + extent_lon * 1.25,
        min_lat + extent_lat * 0.25,
        min_lon + extent_lon * 1.75,
        min_lat + extent_lat * 0.75,
    ))
    # Neighborhoods (note these are not valid CBS codes!)
    self.area_in_amsterdam_w = AreaFactory.create(
        name='Wijk in Amsterdam', code='WK036301', _type=self.area_type_w, geometry=MultiPolygon([polygon_in]))
    self.area_in_amsterdam_b = AreaFactory(
        name='Buurt in Amsterdam', code='BU03630101', _type=self.area_type_b, geometry=MultiPolygon(polygon_in))
    self.area_outside_amsterdam_w = AreaFactory(
        name='Wijk buiten Amsterdam', code='WK01', _type=self.area_type_w, geometry=MultiPolygon([polygon_out]))
    self.area_outside_amsterdam_b = AreaFactory(
        name='Buurt buiten', code='BU01234', _type=self.area_type_b, geometry=MultiPolygon([polygon_out]))