code: def test_multimaster() -> None:
      with use_test_config_dir():
          conf1 = {
              "address": ("localhost", 12345),
              "credentials": ("user1", "password1", "token1"),
              "ssl_keys": api_server.CERTS1,
          }
  
          conf2 = {
              "address": ("localhost", 12346),
              "credentials": ("user2", "password2", "token2"),
              "ssl_keys": api_server.CERTS2,
          }
  
          with api_server.run_api_server(**conf1) as master_url1:  # type: ignore
              with api_server.run_api_server(**conf2) as master_url2:  # type: ignore
                  d1 = Determined(
                      master_url1,
                      user="user1",
                      password="password1",
                      cert_path=str(api_server.CERTS1["certfile"]),
                  )
                  d2 = Determined(
                      master_url2,
                      user="user2",
                      password="password2",
                      cert_path=str(api_server.CERTS2["certfile"]),
                  )
                  d1.get_models()
                  d2.get_models()
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_multimaster() without return types