code: def test_time_input_interaction():
      """Test interactions with an empty time_input widget."""
  
      def script():
          import streamlit as st
  
          st.time_input("the label", value=None)
  
      at = AppTest.from_function(script).run()
      time_input = at.time_input[0]
      assert time_input.value is None
  
      # Input a time:
      at = time_input.set_value(time(8, 45)).run()
      time_input = at.time_input[0]
      assert time_input.value == time(8, 45)
  
      # # Clear the value
      at = time_input.set_value(None).run()
      time_input = at.time_input[0]
      assert time_input.value is None
  
file_path: streamlit/lib/tests/streamlit/elements/time_input_test.py
imports: from datetime import datetime, time
  from parameterized import parameterized
  import streamlit
  from streamlit.errors import StreamlitAPIException
  from streamlit.proto.LabelVisibilityMessage_pb2 import LabelVisibilityMessage
  from streamlit.testing.v1.app_test import AppTest
  from tests.delta_generator_test_case import DeltaGeneratorTestCase
label_desc: Use image node_id 1 for calling a global function with example usage: test_time_input_interaction() without return types