code: def test_unicode_path_layer(self):
      path = self.dir
      layer = "coutwildrnp"
      with fiona.open(path, layer=layer) as c:
          assert len(c) == 67
  
imports: import os
  import shutil
  import sys
  import tempfile
  import unittest
  import pytest
  import fiona
  from fiona.errors import SchemaError
  from fiona.model import Feature
label_desc: Use image node_id 4 for calling the TestUnicodePath obj's underlying member method code with example usage: obj.test_unicode_path_layer() without return types