code: def test_delete_slash_host():
      host = f"http://localhost/"
  
      c = Client(host=host)
  
      assert c.args.host == "localhost"
  
file_path: jina/tests/unit/clients/test_interface.py
imports: import pytest
  from jina import Client
  from jina.enums import ProtocolType
label_desc: Use image node_id 4 for calling a global function with example usage: test_delete_slash_host() without return types