code: def test_warp_reproject_dst_crs_proj4(runner, tmpdir):
      proj4 = "+proj=longlat +ellps=WGS84 +datum=WGS84"
      srcname = "tests/data/shade.tif"
      outputname = str(tmpdir.join("test.tif"))
      result = runner.invoke(
          main_group, ["warp", srcname, outputname, "--dst-crs", proj4]
      )
      assert result.exit_code == 0
      assert os.path.exists(outputname)
  
      with rasterio.open(outputname) as output:
          assert output.crs == {"init": "epsg:4326"}
  
imports: import os
  import affine
  import numpy
  import pytest
  import rasterio
  from rasterio.warp import SUPPORTED_RESAMPLING
  from rasterio.rio import warp
  from rasterio.rio.main import main_group
label_desc: Use image node_id 17 for calling a global function with example usage: test_warp_reproject_dst_crs_proj4(runner, tmpdir) without return types