code: def test_supported_projection(self):
      source = ogc.WMSRasterSource(self.URI, self.layer)
      source.validate_projection(self.projection)
  
imports: from unittest import mock
  from xml.etree.ElementTree import ParseError
  import numpy
  import pytest
  import cartopy.crs
  from cartopy.tests.conftest import _HAS_PYKDTREE_OR_SCIPY
  import cartopy.io.ogc_clients
  from cartopy.io.ogc_clients import _OWSLIB_AVAILABLE
label_desc: Use image node_id 8 for calling the TestWMSRasterSource obj's underlying member method code with example usage: obj.test_supported_projection() without return types