code: def test_verify_repo_ref(self) -> None:
      # Not trusted repo:
      verified = hub._verify_repo_ref("mhamilton723/models")
      self.assertFalse(verified)
  
      # Not trusted repo:
      verified = hub._verify_repo_ref("onnx/models:unknown")
      self.assertFalse(verified)
  
      # Trusted repo:
      verified = hub._verify_repo_ref(self.repo)
      self.assertTrue(verified)
  
file_path: onnx/onnx/test/hub_test.py
imports: import glob
  import os
  import unittest
  from os.path import join
  import pytest
  from onnx import ModelProto, hub
label_desc: Use image node_id 9 for calling the TestModelHub obj's underlying member method code with example usage: obj.test_verify_repo_ref() without return types