code: def test_collection_urn_crs(tmpdir):
      filename = str(tmpdir.join("test.geojson"))
      crs = "urn:ogc:def:crs:OGC:1.3:CRS84"
      with fiona.open(
          filename,
          "w",
          schema={"geometry": "Point", "properties": {"foo": "int"}},
          crs=crs,
          driver="GeoJSON",
      ) as dst:
          assert dst.crs_wkt.startswith('GEOGCS["WGS 84')
  
      with fiona.open(filename) as col:
          assert col.crs_wkt.startswith('GEOGCS["WGS 84')
  
file_path: Fiona/tests/test_collection_crs.py
imports: import os
  import re
  import pytest
  import fiona
  import fiona.crs
  from fiona.errors import CRSError
  from .conftest import WGS84PATTERN
label_desc: Use image node_id 4 for calling a global function with example usage: test_collection_urn_crs(tmpdir) without return types