class_docstr: Unittest for repo normalize.
code: def test_check_uri(self):
      self.assertTrue(rn1.check_uri())
      self.assertTrue(rn3.check_uri())
      with self.assertRaises(ValueError):
          rn4.check_uri()
      self.assertTrue(
          RepoNormalize(
              "https://towhee.io/towhee/audio-embedding"
          ).check_uri()
      )
      self.assertFalse(
          RepoNormalize("towhee/test/audio-embedding").check_uri()
      )
  
file_path: towhee/tests/unittests/utils/test_repo_normalize.py
imports: import unittest
  from towhee.utils.repo_normalize import RepoNormalize
label_desc: Use image node_id 3 for calling the TestRepoNormalize obj's underlying member method code with example usage: obj.test_check_uri() without return types