docstr: Test that a file path can be specified for a corpus.
docstr_tok: ["Test","that","a","file","path","can","be","specified","for","a","corpus","."]
code: def test_load_corpus_file_non_existent(self):
      """
      Test that a file path can be specified for a corpus.
      """
      file_path = "./test_corpus.yml"
  
      self.assertFalse(os.path.exists(file_path))
      with self.assertRaises(IOError):
          list(corpus.load_corpus(file_path))
  
imports: import os
  import io
  from unittest import TestCase
  from chatterbot import corpus
label_desc: Use image node_id 2 for calling the CorpusFilePathTestCase obj's underlying member method code with example usage: obj.test_load_corpus_file_non_existent() without return types