class_docstr: Test /component endpoint.
class_docstr_tok: ["Test","\/component","endpoint","."]
docstr: Test request failure when invalid component name is provided.
docstr_tok: ["Test","request","failure","when","invalid","component","name","is","provided","."]
code: def test_invalid_component_request(self):
      """Test request failure when invalid component name is provided."""
  
      response = self._request_component("invalid_component")
      self.assertEqual(404, response.code)
      self.assertEqual(b"not found", response.body)
  
file_path: streamlit/lib/tests/streamlit/web/server/component_request_handler_test.py
imports: from unittest import mock
  import tornado.testing
  import tornado.web
  from streamlit.components.v1.components import ComponentRegistry, declare_component
  from streamlit.web.server import ComponentRequestHandler
label_desc: Use image node_id 9 for calling the ComponentRequestHandlerTest obj's underlying member method code with example usage: obj.test_invalid_component_request() without return types